What are the roots of the equation? x^2 − x − 42 = 0 Enter your answers in the boxes. X= X=

Question

asked Feb 19, 2021 198k views

2 Answers

Gusthema · Answer 1 · 2021-02-22T20:10:14+0000

Answer:

x = -6 and x = 7

Explanation:

x² - x - 42 = 0

find two number which

a + b = -1

a*b = -42

a = -7

b = 6

x² - x - 42 = 0

(x-7)(x+6) = 0

x-7 = 0

x = 7

x +6 = 0

x = -6