Question

if A(x) = -x^2 + 4, B(x) = -3x - 4, and C(x) = 5x^2 + 2x, form a simplified expression for A(x) + B(x) + C(x).

Answer 1

5x² - x - 4

Explanation:

B(x) + C(x)

= - 3x - 4 + 5x² + 2x ← collect like terms

= 5x² - x - 4