SOLUTION: How do I solve this equation: x2 + 2x – 8 = 0.
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Question 96771
:
How do I solve this equation: x2 + 2x – 8 = 0.
Answer by
tutorcecilia(2152)
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= 0
(x-2)(x+4)=0 [factor]
.
x-2=0 [set each factor equal to zero and solve for the x-value]
x=2
and
x+4=0
x=-4
.
SOLUTION: x = 2 and -4