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13 April, 18:27

Solve each quadratic equation. Show your work. x^2 + 3x = 10

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  1. 13 April, 20:06
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    Minus 10 both sides

    x^2+3x-10=0

    factor, find what 2 number multiply to get - 10 and add to get 3

    -5 and 2

    (x-5) (x+2) = 0

    set equal to zero

    x-5=0

    x=5

    x+2=0

    x=-2

    x=-2 and 5
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