Question

In quadratic formula

Answer 1

x² - x - 12 = 0

`x = \frac{-b \pm \sqrt{b^(2) - 4ac}}{2a}`

a = 1, b = -1, c = -12

`x = \frac{1 \pm \sqrt{(-1)^(2) - 4(1)(-12)}}{2(1)}`

x = 4 or -3

Answer: 4 or -3