Question

What is the sum of (x - 8x² - 15) and (2 + 12x - 3x²)?

A -5x² - 11x - 17
B -112² + 13x - 13
C 11r2 + 11x - 17
D 2x² + 4x - 18

Answer 1

-11
`x^(2)` + 13x- 13

Explanation:

(x - 8x² - 15) + (2 + 12x - 3x²)

(x + 12x) + (- 8x² - 3x²) + (- 15 + 2) [Combine like terms]

-11
`x^(2)` + 13x- 13