3x^2+5x-8
split the middle term
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Step-by-step explanation:
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Step-by-step explanation:
First we have to find the SUM and the PRODUCT
SUM = 8x and - 3x
PRODUCT = 24
3x^2 + 5x - 8 = 0
3x^2 - 3x + 8x - 8 = 0
3x(x - 1) + 8(x - 1) = 0
(x - 1) (3x + 8) = 0
Either x-1 = 0 or 3x + 8 =0
x = 1 or 3x = - 8
or x = - 8/3
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