I need help. I don't understand how to solve this equation.
z^2-9z+18=0
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I need help. I don't understand how to solve this equation.
z^2-9z+18=0
Show Steps.

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first factor it
(z-6)(z-3)=0
z = 6 or 3

because either z-6 = 0 or z-3 = 0

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