Question

Factor and solve the quadratic equation: x^(2)-7x-8=0.

Answer 1

x = 8 or x = -1

Explanation:

x² - 7x -8 = 0

x² + x - 8x - 8 = 0

x(x + 1) - 8(x + 1) = 0

(x - 8)(x+1) = 0

x - 8 = 0 or

x + 1 = 0

thus,

x = 8 or x = -1