How do you factor x2 -2x-8 using the quadratic formula?

Anonymous

∙ 12y ago

Updated: 10/17/2024

X2 - 2X - 8 = 0

Quadratic formula.

X = - b (+/-) sqrt(b2 - 4ac)/2a

a = 1

b = - 2

c = - 8

X = - (- 2) (+/-) sqrt[(- 2)2 - 4(1)(- 8)]/2(1)

X = 2 (+/-) sqrt(4 + 32)/2

X = 2 (+/-) sqrt(36)/2

X = [2 (+/-) 6}/2

X = 4

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Wiki User

∙ 12y ago

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