Question

What is the answer to number 6? Please break it down and explain.

Answer 1

-2 or -5

Explanation:

(2x − 8) / (x² + 7x + 10) is an invalid expression when the denominator is 0.

x² + 7x + 10 = 0

(x + 2) (x + 5) = 0

x = -2 or -5