Answer:
hope this helps!! :3
Step-by-step explanation:
(x^2 + 2x + 8) + (-x^2 - 3x - 7)
Simplify the terms inside the parentheses:
x^2 + 2x + 8 + (-x^2 - 3x - 7)
Combine like terms on the left:
x^2 + 2x + 8 - x^2 + 3x + 7
Combine like terms on the right:
(2x - x + 8) + (3x + 7)
Combine like terms:
5x + 5