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23 April, 20:53

Factor completely 2x^2+6x-80

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  1. 23 April, 22:16
    0
    x = - 8, x=5

    Step-by-step explanation:

    2x^2+6x-80=0

    x^2+3x-40=0

    look for 2 numbers that their:

    sum = 3

    product = - 40

    (x+8) (x-5) = 0

    thus

    x = - 8, x=5 (ANS)
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