Question

question
perform the operation.
\\((5x^2 + 4x + 8) - (-9x - 3)\\)

Explanation:

Step1: Distribute the negative sign

$5x^2 + 4x + 8 + 9x + 3$

Step2: Combine like x terms

$5x^2 + (4x + 9x) + 8 + 3$
$5x^2 + 13x + 8 + 3$

Step3: Combine constant terms

$5x^2 + 13x + (8 + 3)$

Answer:

$5x^2 + 13x + 11$