find zeroes of x^2+2x-8
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Answer:
see steps
Step-by-step explanation:
x^2 + 2x - 8
x^2 + 4x - 2x - 8
x(x + 4) -2(x + 4)
(x + 4) (x - 2)
x + 4 = 0
x = -4
x - 2 = 0
x = 2
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