Evaluate (6x^2+7x+2)-(-9x^2-10)

$(6 x^{2} + 7 x + 2) - (- 9 x^{2} - 10)$

Simplify each term.

Apply the distributive property.

$6 x^{2} + 7 x + 2 - (- 9 x^{2}) - - 10$

Multiply $- 9$ by $- 1$ .

$6 x^{2} + 7 x + 2 + 9 x^{2} - - 10$

Multiply $- 1$ by $- 10$ .

$6 x^{2} + 7 x + 2 + 9 x^{2} + 10$

$6 x^{2} + 7 x + 2 + 9 x^{2} + 10$

Simplify by adding terms.

Add $6 x^{2}$ and $9 x^{2}$ .

$15 x^{2} + 7 x + 2 + 10$

Add $2$ and $10$ .

$15 x^{2} + 7 x + 12$

$15 x^{2} + 7 x + 12$

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