Question

What is (x2 – 3x - 10) = (x + 2)?

A. x-5
B. x+2
C. x-1
D. -5x-10​

Answer 1

x=6

Explanation:

(x^2 – 3x - 10) = (x + 2)

Factor the term on the left

(x-5) (x+2) =x+2

Divide each side by x+2

x-5 = 1

Add 5 to each side

x-5+5 =1+5

x=6