Question

(5x2 + 2x + 1) + (6x2 − 3x + 9) is equivalent to expression

Answer 1

11x² - x + 10

Explanation:

Given

(5x² + 2x + 1) + (6x² - 3x + 9 ) ← remove both parenthesis

= 5x² + 2x + 1 + 6x² - 3x + 9 ← collect like terms

= 11x² - x + 10