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by Guest61406  |  earlier

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use factoring and the zero-product property to solve the quadratic equation.

1. 2x^2+4x-30=0

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  1. Start by dividing both sides of the equation by 2.

    This yields x^2 + 2x-15=0

    This reduces to (x+5) (x-3)=0

    This yields the answers:

    x=3, -5

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