Algebra Examples

$(5 x^{6} - 2 x^{4} + 9 x^{3} + 2 x - 4) - (7 x^{5} - 8 x^{4} + 2 x - 11)$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$5 x^{6} - 2 x^{4} + 9 x^{3} + 2 x - 4 - (7 x^{5}) - (- 8 x^{4}) - (2 x) - - 11$

Step 1.2

Simplify.

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Step 1.2.1

Multiply $7$ by $- 1$ .

$5 x^{6} - 2 x^{4} + 9 x^{3} + 2 x - 4 - 7 x^{5} - (- 8 x^{4}) - (2 x) - - 11$

Step 1.2.2

Multiply $- 8$ by $- 1$ .

$5 x^{6} - 2 x^{4} + 9 x^{3} + 2 x - 4 - 7 x^{5} + 8 x^{4} - (2 x) - - 11$

Step 1.2.3

Multiply $2$ by $- 1$ .

$5 x^{6} - 2 x^{4} + 9 x^{3} + 2 x - 4 - 7 x^{5} + 8 x^{4} - 2 x - - 11$

Step 1.2.4

Multiply $- 1$ by $- 11$ .

$5 x^{6} - 2 x^{4} + 9 x^{3} + 2 x - 4 - 7 x^{5} + 8 x^{4} - 2 x + 11$

Step 2

Simplify by adding terms.

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Step 2.1

Combine the opposite terms in $5 x^{6} - 2 x^{4} + 9 x^{3} + 2 x - 4 - 7 x^{5} + 8 x^{4} - 2 x + 11$ .

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Step 2.1.1

Subtract $2 x$ from $2 x$ .

$5 x^{6} - 2 x^{4} + 9 x^{3} - 4 - 7 x^{5} + 8 x^{4} + 0 + 11$

Step 2.1.2

Add $5 x^{6} - 2 x^{4} + 9 x^{3} - 4 - 7 x^{5} + 8 x^{4}$ and $0$ .

$5 x^{6} - 2 x^{4} + 9 x^{3} - 4 - 7 x^{5} + 8 x^{4} + 11$

Step 2.2

Add $- 2 x^{4}$ and $8 x^{4}$ .

$5 x^{6} + 6 x^{4} + 9 x^{3} - 4 - 7 x^{5} + 11$

Step 2.3

Simplify the expression.

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Step 2.3.1

Add $- 4$ and $11$ .

$5 x^{6} + 6 x^{4} + 9 x^{3} - 7 x^{5} + 7$

Step 2.3.2

Move $9 x^{3}$ .

$5 x^{6} + 6 x^{4} - 7 x^{5} + 9 x^{3} + 7$

Step 2.3.3

Move $6 x^{4}$ .

$5 x^{6} - 7 x^{5} + 6 x^{4} + 9 x^{3} + 7$