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Clubparadise

  • 3 years ago

1.Solve 5x2 = –45x

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  1. zordoloom
    • 3 years ago
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    Add 45x to the left side. Then factor out 5.

  2. Helper93
    • 3 years ago
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    \[5x^2 = -45x\] \[5x^2 + 45x = 0\] \[5x(x + 9) = 0\] Can you pick it up from here?

  3. zordoloom
    • 3 years ago
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    5x2+45x=0 5x(x+9)=0 5x=0 x+9=0 Solve the last two equations.

  4. Clubparadise
    • 3 years ago
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    so my final answer would be x=0 and x=9?

  5. Clubparadise
    • 3 years ago
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    x=-9 *

  6. Helper93
    • 3 years ago
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    Correct.

  7. Clubparadise
    • 3 years ago
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    Thanks you guys! (:

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