Precalculus Examples

$(n^{4} + n^{3} \log (n)) (\log (n) + 7) + (14 \log (n) + 18) (n^{4} + 16)$

Step 1

Simplify each term.

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Step 1.1

Expand $(n^{4} + n^{3} \log (n)) (\log (n) + 7)$ using the FOIL Method.

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Step 1.1.1

Apply the distributive property.

$n^{4} (\log (n) + 7) + n^{3} \log (n) (\log (n) + 7) + (14 \log (n) + 18) (n^{4} + 16)$

Step 1.1.2

Apply the distributive property.

$n^{4} \log (n) + n^{4} \cdot 7 + n^{3} \log (n) (\log (n) + 7) + (14 \log (n) + 18) (n^{4} + 16)$

Step 1.1.3

Apply the distributive property.

$n^{4} \log (n) + n^{4} \cdot 7 + n^{3} \log (n) \log (n) + n^{3} \log (n) \cdot 7 + (14 \log (n) + 18) (n^{4} + 16)$

Step 1.2

Simplify each term.

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Step 1.2.1

Move $7$ to the left of $n^{4}$ .

$n^{4} \log (n) + 7 \cdot n^{4} + n^{3} \log (n) \log (n) + n^{3} \log (n) \cdot 7 + (14 \log (n) + 18) (n^{4} + 16)$

Step 1.2.2

Multiply $n^{3} \log (n) \log (n)$ .

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Step 1.2.2.1

Raise $\log (n)$ to the power of $1$ .

$n^{4} \log (n) + 7 n^{4} + n^{3} (\log^{1} (n) \log (n)) + n^{3} \log (n) \cdot 7 + (14 \log (n) + 18) (n^{4} + 16)$

Step 1.2.2.2

Raise $\log (n)$ to the power of $1$ .

$n^{4} \log (n) + 7 n^{4} + n^{3} (\log^{1} (n) \log^{1} (n)) + n^{3} \log (n) \cdot 7 + (14 \log (n) + 18) (n^{4} + 16)$

Step 1.2.2.3

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

$n^{4} \log (n) + 7 n^{4} + n^{3} {\log (n)}^{1 + 1} + n^{3} \log (n) \cdot 7 + (14 \log (n) + 18) (n^{4} + 16)$

Step 1.2.2.4

Add $1$ and $1$ .

$n^{4} \log (n) + 7 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n) \cdot 7 + (14 \log (n) + 18) (n^{4} + 16)$

Step 1.2.3

Simplify $7 \log (n)$ by moving $7$ inside the logarithm.

$n^{4} \log (n) + 7 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n^{7}) + (14 \log (n) + 18) (n^{4} + 16)$

Step 1.3

Simplify $14 \log (n)$ by moving $14$ inside the logarithm.

$n^{4} \log (n) + 7 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n^{7}) + (\log (n^{14}) + 18) (n^{4} + 16)$

Step 1.4

Expand $(\log (n^{14}) + 18) (n^{4} + 16)$ using the FOIL Method.

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Step 1.4.1

Apply the distributive property.

$n^{4} \log (n) + 7 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n^{7}) + \log (n^{14}) (n^{4} + 16) + 18 (n^{4} + 16)$

Step 1.4.2

Apply the distributive property.

$n^{4} \log (n) + 7 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n^{7}) + \log (n^{14}) n^{4} + \log (n^{14}) \cdot 16 + 18 (n^{4} + 16)$

Step 1.4.3

Apply the distributive property.

$n^{4} \log (n) + 7 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n^{7}) + \log (n^{14}) n^{4} + \log (n^{14}) \cdot 16 + 18 n^{4} + 18 \cdot 16$

Step 1.5

Simplify each term.

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Step 1.5.1

Multiply $\log (n^{14}) \cdot 16$ .

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Step 1.5.1.1

Reorder $\log (n^{14})$ and $16$ .

$n^{4} \log (n) + 7 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n^{7}) + \log (n^{14}) n^{4} + 16 \cdot \log (n^{14}) + 18 n^{4} + 18 \cdot 16$

Step 1.5.1.2

Simplify $16 \cdot \log (n^{14})$ by moving $16$ inside the logarithm.

$n^{4} \log (n) + 7 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n^{7}) + \log (n^{14}) n^{4} + \log ({(n^{14})}^{16}) + 18 n^{4} + 18 \cdot 16$

Step 1.5.2

Multiply the exponents in ${(n^{14})}^{16}$ .

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Step 1.5.2.1

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

$n^{4} \log (n) + 7 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n^{7}) + \log (n^{14}) n^{4} + \log (n^{14 \cdot 16}) + 18 n^{4} + 18 \cdot 16$

Step 1.5.2.2

Multiply $14$ by $16$ .

$n^{4} \log (n) + 7 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n^{7}) + \log (n^{14}) n^{4} + \log (n^{224}) + 18 n^{4} + 18 \cdot 16$

Step 1.5.3

Multiply $18$ by $16$ .

$n^{4} \log (n) + 7 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n^{7}) + \log (n^{14}) n^{4} + \log (n^{224}) + 18 n^{4} + 288$

Step 2

Simplify by adding terms.

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Step 2.1

Add $7 n^{4}$ and $18 n^{4}$ .

$n^{4} \log (n) + 25 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n^{7}) + \log (n^{14}) n^{4} + \log (n^{224}) + 288$

Step 2.2

Reorder factors in $n^{4} \log (n) + 25 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n^{7}) + \log (n^{14}) n^{4} + \log (n^{224}) + 288$ .

$n^{4} \log (n) + 25 n^{4} + n^{3} \log^{2} (n) + n^{3} \log (n^{7}) + n^{4} \log (n^{14}) + \log (n^{224}) + 288$