Question

Solve by factoring.
5
`x^(2)`-6x-8=0

Answer 1

5x² - 6x - 8 = 0
x = -(-6) +/- √((-6)² - 4(5)(-8))
2(5)
x = 6 +/- √(36 + 160)
10
x = 6 +/- √(196)
10
x = 6 +/- 14
10
x = 6 + 14 x = 6 - 14
10 10
x = 20 x = -8
10 10
x = 2 x = -4/5