Question

X square minus x minus 2 equal to zero

Answer 1

Answer:

x² - x - 2 = 0

=> x² -2x + x - 2 = 0

=> x(x - 2) + 1(x - 2) = 0

=> (x - 2)(x + 1) = 0

either x - 2 = 0 or x + 1 = 0

=> x = 2 or x = -1

hope it helps you!!