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12 January, 18:12

How do solve z^2-6z-27=0 by factoring?

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  1. 12 January, 21:25
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    Z^2-6z-27=0

    Factor left side of equation.

    (z+3) (z-9) = 0

    Set factors equal to 0.

    z+3=0 or z-9=0

    z=-3 or z=9
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