Answer:
x=4 x=-2
Explanation:
x^2-2x-8=0
What 2 numbers multiply to -8 and add to -2
-4*2 = -8
-4+2 = -2
(x-4) (x+2) =0
Using the zero product property
x-4 =0 x+2 =0
x-4+4=0+4 x+2-2=0-2
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