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OpenStudy (anonymous):
What are the solutions of the equation below: z²-6z-27=0 Please Answer!! =)
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OpenStudy (anonymous):
\[z^2 - 6z -27 = (z-9)(z+3)\] z= 9 or z = -3
OpenStudy (anonymous):
z(z-9)+3(z-9) (z+3)(z-9) z=-3 or z=9
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