Question

5. Which of the following is a solution to x2 – X – 6 = 0?

A
B
C
D
-3
-2
-1
2

Answer 1

The answers are x=3;x= -2.Good luck!

Answer 2

x² - x - 6 = 0

x²- (3 - 2)x - 6 = 0

x² - 3x + 2x - 6 =0

x(x - 3) + 2(x - 3) = 0

(x - 3) (x + 2) = 0

x - 3 = 0

x = 3

x + 2 = 0

x = -2

x= 3 and x = -2