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Eileen Cantu
4 October, 03:57
What is x2+2x-8=0 by factoring?
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Jacqueline Mullen
4 October, 07:53
0
(x+4) (x-2)
Step-by-step explanation:
We need to find two numbers that multiply to - 8 and add up to 2. These are 4,-2.
Rewrite the polynomial:
x^2-2x+4x-8
and factor each pair:
x (x-2) + 4 (x-2) = (x+4) (x-2)
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