Algebra Examples

$\frac{1}{2} \cdot 8 x (10 x^{3} + 6 x - 8) - \frac{1}{2} \cdot 6 x (8 x^{3} + 2 x - 4)$

Step 1

Simplify each term.

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Step 1.1

Cancel the common factor of $2$ .

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Step 1.1.1

Factor $2$ out of $8 x (10 x^{3} + 6 x - 8)$ .

$\frac{1}{2} \cdot (2 (4 x (10 x^{3} + 6 x - 8))) - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.1.2

Cancel the common factor.

$\frac{1}{2} \cdot (2 (4 x (10 x^{3} + 6 x - 8))) - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.1.3

Rewrite the expression.

$4 x (10 x^{3} + 6 x - 8) - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.2

Apply the distributive property.

$4 x (10 x^{3}) + 4 x (6 x) + 4 x \cdot - 8 - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.3

Simplify.

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Step 1.3.1

Rewrite using the commutative property of multiplication.

$4 \cdot 10 x \cdot x^{3} + 4 x (6 x) + 4 x \cdot - 8 - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.3.2

Rewrite using the commutative property of multiplication.

$4 \cdot 10 x \cdot x^{3} + 4 \cdot 6 x \cdot x + 4 x \cdot - 8 - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.3.3

Multiply $- 8$ by $4$ .

$4 \cdot 10 x \cdot x^{3} + 4 \cdot 6 x \cdot x - 32 x - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.4

Simplify each term.

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Step 1.4.1

Multiply $x$ by $x^{3}$ by adding the exponents.

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Step 1.4.1.1

Move $x^{3}$ .

$4 \cdot 10 (x^{3} x) + 4 \cdot 6 x \cdot x - 32 x - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.4.1.2

Multiply $x^{3}$ by $x$ .

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Step 1.4.1.2.1

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

$4 \cdot 10 (x^{3} x^{1}) + 4 \cdot 6 x \cdot x - 32 x - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.4.1.2.2

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

$4 \cdot 10 x^{3 + 1} + 4 \cdot 6 x \cdot x - 32 x - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.4.1.3

Add $3$ and $1$ .

$4 \cdot 10 x^{4} + 4 \cdot 6 x \cdot x - 32 x - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.4.2

Multiply $4$ by $10$ .

$40 x^{4} + 4 \cdot 6 x \cdot x - 32 x - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.4.3

Multiply $x$ by $x$ by adding the exponents.

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Step 1.4.3.1

Move $x$ .

$40 x^{4} + 4 \cdot 6 (x \cdot x) - 32 x - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.4.3.2

Multiply $x$ by $x$ .

$40 x^{4} + 4 \cdot 6 x^{2} - 32 x - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.4.4

Multiply $4$ by $6$ .

$40 x^{4} + 24 x^{2} - 32 x - \frac{1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.5

Cancel the common factor of $2$ .

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Step 1.5.1

Move the leading negative in $- \frac{1}{2}$ into the numerator.

$40 x^{4} + 24 x^{2} - 32 x + \frac{- 1}{2} \cdot (6 x (8 x^{3} + 2 x - 4))$

Step 1.5.2

Factor $2$ out of $6 x (8 x^{3} + 2 x - 4)$ .

$40 x^{4} + 24 x^{2} - 32 x + \frac{- 1}{2} \cdot (2 (3 x (8 x^{3} + 2 x - 4)))$

Step 1.5.3

Cancel the common factor.

$40 x^{4} + 24 x^{2} - 32 x + \frac{- 1}{2} \cdot (2 (3 x (8 x^{3} + 2 x - 4)))$

Step 1.5.4

Rewrite the expression.

$40 x^{4} + 24 x^{2} - 32 x - 1 \cdot (3 x (8 x^{3} + 2 x - 4))$

Step 1.6

Multiply $3$ by $- 1$ .

$40 x^{4} + 24 x^{2} - 32 x - 3 \cdot (x (8 x^{3} + 2 x - 4))$

Step 1.7

Apply the distributive property.

$40 x^{4} + 24 x^{2} - 32 x - 3 \cdot (x (8 x^{3}) + x (2 x) + x \cdot - 4)$

Step 1.8

Simplify.

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Step 1.8.1

Rewrite using the commutative property of multiplication.

$40 x^{4} + 24 x^{2} - 32 x - 3 \cdot (8 x \cdot x^{3} + x (2 x) + x \cdot - 4)$

Step 1.8.2

Rewrite using the commutative property of multiplication.

$40 x^{4} + 24 x^{2} - 32 x - 3 \cdot (8 x \cdot x^{3} + 2 x \cdot x + x \cdot - 4)$

Step 1.8.3

Move $- 4$ to the left of $x$ .

$40 x^{4} + 24 x^{2} - 32 x - 3 \cdot (8 x \cdot x^{3} + 2 x \cdot x - 4 \cdot x)$

Step 1.9

Simplify each term.

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Step 1.9.1

Multiply $x$ by $x^{3}$ by adding the exponents.

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Step 1.9.1.1

Move $x^{3}$ .

$40 x^{4} + 24 x^{2} - 32 x - 3 \cdot (8 (x^{3} x) + 2 x \cdot x - 4 \cdot x)$

Step 1.9.1.2

Multiply $x^{3}$ by $x$ .

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Step 1.9.1.2.1

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

$40 x^{4} + 24 x^{2} - 32 x - 3 \cdot (8 (x^{3} x^{1}) + 2 x \cdot x - 4 \cdot x)$

Step 1.9.1.2.2

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

$40 x^{4} + 24 x^{2} - 32 x - 3 \cdot (8 x^{3 + 1} + 2 x \cdot x - 4 \cdot x)$

Step 1.9.1.3

Add $3$ and $1$ .

$40 x^{4} + 24 x^{2} - 32 x - 3 \cdot (8 x^{4} + 2 x \cdot x - 4 \cdot x)$

Step 1.9.2

Multiply $x$ by $x$ by adding the exponents.

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Step 1.9.2.1

Move $x$ .

$40 x^{4} + 24 x^{2} - 32 x - 3 \cdot (8 x^{4} + 2 (x \cdot x) - 4 \cdot x)$

Step 1.9.2.2

Multiply $x$ by $x$ .

$40 x^{4} + 24 x^{2} - 32 x - 3 \cdot (8 x^{4} + 2 x^{2} - 4 \cdot x)$

$40 x^{4} + 24 x^{2} - 32 x - 3 \cdot (8 x^{4} + 2 x^{2} - 4 x)$

Step 1.10

Apply the distributive property.

$40 x^{4} + 24 x^{2} - 32 x - 3 (8 x^{4}) - 3 (2 x^{2}) - 3 (- 4 x)$

Step 1.11

Simplify.

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Step 1.11.1

Multiply $8$ by $- 3$ .

$40 x^{4} + 24 x^{2} - 32 x - 24 x^{4} - 3 (2 x^{2}) - 3 (- 4 x)$

Step 1.11.2

Multiply $2$ by $- 3$ .

$40 x^{4} + 24 x^{2} - 32 x - 24 x^{4} - 6 x^{2} - 3 (- 4 x)$

Step 1.11.3

Multiply $- 4$ by $- 3$ .

$40 x^{4} + 24 x^{2} - 32 x - 24 x^{4} - 6 x^{2} + 12 x$

Step 2

Simplify by adding terms.

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Step 2.1

Subtract $24 x^{4}$ from $40 x^{4}$ .

$16 x^{4} + 24 x^{2} - 32 x - 6 x^{2} + 12 x$

Step 2.2

Subtract $6 x^{2}$ from $24 x^{2}$ .

$16 x^{4} + 18 x^{2} - 32 x + 12 x$

Step 2.3

Add $- 32 x$ and $12 x$ .

$16 x^{4} + 18 x^{2} - 20 x$