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Clubparadise

1.Solve 5x2 = –45x

  • one year ago
  • one year ago

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  1. zordoloom
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    Add 45x to the left side. Then factor out 5.

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

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

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

    • one year ago
  5. Clubparadise
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    x=-9 *

    • one year ago
  6. Helper93
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    Correct.

    • one year ago
  7. Clubparadise
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    Thanks you guys! (:

    • one year ago
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