Question

perform the addition. write the answer in standard form.
$(x^2 + 7x + 3) + (9x - 19)$

$(x^2 + 7x + 3) + (9x - 19) = \square$ (simplify your answer )

Explanation:

Step1: Remove parentheses

$x^2 + 7x + 3 + 9x - 19$

Step2: Combine like x terms

$x^2 + (7x + 9x) + 3 - 19 = x^2 + 16x + 3 - 19$

Step3: Combine constant terms

$x^2 + 16x + (3 - 19) = x^2 + 16x - 16$

Answer:

$x^2 + 16x - 16$