Calculus Examples

$f (u) = u^{8}$ ; $g (x) = 8 x^{6} + 7$

Step 1

Set up the composite result function.

$f (g (x))$

Step 2

Evaluate $f (8 x^{6} + 7)$ by substituting in the value of $g$ into $f$ .

$f (8 x^{6} + 7) = {(8 x^{6} + 7)}^{8}$

Step 3

Use the Binomial Theorem.

$f (8 x^{6} + 7) = {(8 x^{6})}^{8} + 8 {(8 x^{6})}^{7} \cdot 7 + 28 {(8 x^{6})}^{6} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4

Simplify each term.

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Step 4.1

Apply the product rule to $8 x^{6}$ .

$f (8 x^{6} + 7) = 8^{8} {(x^{6})}^{8} + 8 {(8 x^{6})}^{7} \cdot 7 + 28 {(8 x^{6})}^{6} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.2

Raise $8$ to the power of $8$ .

$f (8 x^{6} + 7) = 16777216 {(x^{6})}^{8} + 8 {(8 x^{6})}^{7} \cdot 7 + 28 {(8 x^{6})}^{6} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.3

Multiply the exponents in ${(x^{6})}^{8}$ .

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Step 4.3.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f (8 x^{6} + 7) = 16777216 x^{6 \cdot 8} + 8 {(8 x^{6})}^{7} \cdot 7 + 28 {(8 x^{6})}^{6} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.3.2

Multiply $6$ by $8$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 8 {(8 x^{6})}^{7} \cdot 7 + 28 {(8 x^{6})}^{6} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.4

Apply the product rule to $8 x^{6}$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 8 (8^{7} {(x^{6})}^{7}) \cdot 7 + 28 {(8 x^{6})}^{6} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.5

Multiply $8$ by $8^{7}$ by adding the exponents.

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Step 4.5.1

Move $8^{7}$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 8^{7} \cdot (8 {(x^{6})}^{7}) \cdot 7 + 28 {(8 x^{6})}^{6} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.5.2

Multiply $8^{7}$ by $8$ .

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Step 4.5.2.1

Raise $8$ to the power of $1$ .

Step 4.5.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$f (8 x^{6} + 7) = 16777216 x^{48} + 8^{7 + 1} {(x^{6})}^{7} \cdot 7 + 28 {(8 x^{6})}^{6} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.5.3

Add $7$ and $1$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 8^{8} {(x^{6})}^{7} \cdot 7 + 28 {(8 x^{6})}^{6} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.6

Raise $8$ to the power of $8$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 16777216 {(x^{6})}^{7} \cdot 7 + 28 {(8 x^{6})}^{6} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.7

Multiply the exponents in ${(x^{6})}^{7}$ .

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Step 4.7.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 16777216 x^{6 \cdot 7} \cdot 7 + 28 {(8 x^{6})}^{6} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.7.2

Multiply $6$ by $7$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 16777216 x^{42} \cdot 7 + 28 {(8 x^{6})}^{6} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.8

Multiply $7$ by $16777216$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 28 {(8 x^{6})}^{6} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.9

Apply the product rule to $8 x^{6}$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 28 (8^{6} {(x^{6})}^{6}) \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.10

Raise $8$ to the power of $6$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 28 (262144 {(x^{6})}^{6}) \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.11

Multiply the exponents in ${(x^{6})}^{6}$ .

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Step 4.11.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 28 (262144 x^{6 \cdot 6}) \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.11.2

Multiply $6$ by $6$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 28 (262144 x^{36}) \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.12

Multiply $262144$ by $28$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 7340032 x^{36} \cdot 7^{2} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.13

Raise $7$ to the power of $2$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 7340032 x^{36} \cdot 49 + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.14

Multiply $49$ by $7340032$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 56 {(8 x^{6})}^{5} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.15

Apply the product rule to $8 x^{6}$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 56 (8^{5} {(x^{6})}^{5}) \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.16

Raise $8$ to the power of $5$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 56 (32768 {(x^{6})}^{5}) \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.17

Multiply the exponents in ${(x^{6})}^{5}$ .

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Step 4.17.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 56 (32768 x^{6 \cdot 5}) \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.17.2

Multiply $6$ by $5$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 56 (32768 x^{30}) \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.18

Multiply $32768$ by $56$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 1835008 x^{30} \cdot 7^{3} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.19

Raise $7$ to the power of $3$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 1835008 x^{30} \cdot 343 + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.20

Multiply $343$ by $1835008$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 70 {(8 x^{6})}^{4} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.21

Apply the product rule to $8 x^{6}$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 70 (8^{4} {(x^{6})}^{4}) \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.22

Raise $8$ to the power of $4$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 70 (4096 {(x^{6})}^{4}) \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.23

Multiply the exponents in ${(x^{6})}^{4}$ .

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Step 4.23.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 70 (4096 x^{6 \cdot 4}) \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.23.2

Multiply $6$ by $4$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 70 (4096 x^{24}) \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.24

Multiply $4096$ by $70$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 286720 x^{24} \cdot 7^{4} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.25

Raise $7$ to the power of $4$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 286720 x^{24} \cdot 2401 + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.26

Multiply $2401$ by $286720$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 56 {(8 x^{6})}^{3} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.27

Apply the product rule to $8 x^{6}$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 56 (8^{3} {(x^{6})}^{3}) \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.28

Raise $8$ to the power of $3$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 56 (512 {(x^{6})}^{3}) \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.29

Multiply the exponents in ${(x^{6})}^{3}$ .

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Step 4.29.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 56 (512 x^{6 \cdot 3}) \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.29.2

Multiply $6$ by $3$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 56 (512 x^{18}) \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.30

Multiply $512$ by $56$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 28672 x^{18} \cdot 7^{5} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.31

Raise $7$ to the power of $5$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 28672 x^{18} \cdot 16807 + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.32

Multiply $16807$ by $28672$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 481890304 x^{18} + 28 {(8 x^{6})}^{2} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.33

Apply the product rule to $8 x^{6}$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 481890304 x^{18} + 28 (8^{2} {(x^{6})}^{2}) \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.34

Raise $8$ to the power of $2$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 481890304 x^{18} + 28 (64 {(x^{6})}^{2}) \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.35

Multiply the exponents in ${(x^{6})}^{2}$ .

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Step 4.35.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 481890304 x^{18} + 28 (64 x^{6 \cdot 2}) \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.35.2

Multiply $6$ by $2$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 481890304 x^{18} + 28 (64 x^{12}) \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.36

Multiply $64$ by $28$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 481890304 x^{18} + 1792 x^{12} \cdot 7^{6} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.37

Raise $7$ to the power of $6$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 481890304 x^{18} + 1792 x^{12} \cdot 117649 + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.38

Multiply $117649$ by $1792$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 481890304 x^{18} + 210827008 x^{12} + 8 (8 x^{6}) \cdot 7^{7} + 7^{8}$

Step 4.39

Multiply $8$ by $8$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 481890304 x^{18} + 210827008 x^{12} + 64 x^{6} \cdot 7^{7} + 7^{8}$

Step 4.40

Raise $7$ to the power of $7$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 481890304 x^{18} + 210827008 x^{12} + 64 x^{6} \cdot 823543 + 7^{8}$

Step 4.41

Multiply $823543$ by $64$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 481890304 x^{18} + 210827008 x^{12} + 52706752 x^{6} + 7^{8}$

Step 4.42

Raise $7$ to the power of $8$ .

$f (8 x^{6} + 7) = 16777216 x^{48} + 117440512 x^{42} + 359661568 x^{36} + 629407744 x^{30} + 688414720 x^{24} + 481890304 x^{18} + 210827008 x^{12} + 52706752 x^{6} + 5764801$