Evaluate (-r-10)-(-4r^3+r^2+7r)

$(- r - 10) - (- 4 r^{3} + r^{2} + 7 r)$

Step 1

Simplify each term.

Apply the distributive property.

$- r - 10 - (- 4 r^{3}) - r^{2} - (7 r)$

Simplify.

Multiply $- 4$ by $- 1$ .

$- r - 10 + 4 r^{3} - r^{2} - (7 r)$

Multiply $7$ by $- 1$ .

$- r - 10 + 4 r^{3} - r^{2} - 7 r$

$- r - 10 + 4 r^{3} - r^{2} - 7 r$

$- r - 10 + 4 r^{3} - r^{2} - 7 r$

Step 2

Subtract $7 r$ from $- r$ .

$- 10 + 4 r^{3} - r^{2} - 8 r$

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