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kiara23

  • 4 years ago

solve 5x^2=-45x

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  1. Walleye
    • 4 years ago
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    try putting all the terms equal to 0 and then factoring out

  2. Ishaan94
    • 4 years ago
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    x^2 = - 9x x = -9 is the solution

  3. Walleye
    • 4 years ago
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    You can't divide each side by x unless you claim x is not equal to 0

  4. Ishaan94
    • 4 years ago
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    hmm i know i didn't divide x, i used inspection.

  5. Walleye
    • 4 years ago
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    ah im sorry it appeared as though you did. but you still must include x=0

  6. kiara23
    • 4 years ago
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    Can you do it ?

  7. Ishaan94
    • 4 years ago
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    x^2 = -9x x^2 + 9x = 0 x(x + 9) = 0 now we get two solutions x =0 and x = 9 kiara don't do it my way (the way earlier I posted) walleye is right

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