Question

perform the indicated operation by removing the parentheses and combining like terms.

((-3x^2 - 9) + (6x^2 + 5))

Explanation:

Remove parentheses

$$ -3x^2 - 9 + 6x^2 + 5 $$

Group and combine like terms

$$ (-3x^2 + 6x^2) + (-9 + 5) = 3x^2 - 4 $$

Answer:

Perform the indicated operation by removing the parentheses and combining like terms.

$$ (-3x^2 - 9) + (6x^2 + 5) = $$

<blank>\(3x^2 - 4\)</blank>