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rannsan

  • 3 years ago

Solve for z: z^2-8z=9

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  1. universitysucks
    • 3 years ago
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    |dw:1349332158141:dw|

  2. rannsan
    • 3 years ago
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    I think I have the answer

  3. rannsan
    • 3 years ago
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    z = -1, 9

  4. rannsan
    • 3 years ago
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    That is what I got thank you !

  5. Gt83
    • 3 years ago
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    First make it equal to zero by subtracting nine from both sides. Then make (x+?) and (x-?) since the last term -9 is negative it needs a positive multiplied by a negative

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