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jhkle13

  • one year ago

What are the solutions of 5x2 = -15x?

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  1. robz8
    • one year ago
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    5x^2 = -15x bring everything to one side 5x^2 + 15x = 0 factor 5x(x+3) = 0 so what are the roots of the equation?

  2. robz8
    • one year ago
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    aka what values for x satisfy the equation?

  3. jhkle13
    • one year ago
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    5x2 + 15x

  4. OpenSessame
    • one year ago
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    You could do it that way or use the quadratic equation.

  5. jhkle13
    • one year ago
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    this is a challenge question on my math packet and i have no idea how to do it

  6. OpenSessame
    • one year ago
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    |dw:1377664883571:dw|

  7. jhkle13
    • one year ago
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    |dw:1377664967670:dw|

  8. OpenSessame
    • one year ago
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    |dw:1377664962852:dw|

  9. jhkle13
    • one year ago
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    b=15?

  10. robz8
    • one year ago
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    no reason to do the quadratic equation here.... factoring is much simpler

  11. jhkle13
    • one year ago
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    i just need an answer plz because i do not understand this

  12. robz8
    • one year ago
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    how will giving you the answer help you understand?

  13. jhkle13
    • one year ago
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    its a challenge question i'm not suppose to understand yet

  14. OpenSessame
    • one year ago
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    @jhkle13 Sometimes finding the answer is simpler

  15. OpenSessame
    • one year ago
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    Just plug in the stuff for that equation, you'll get the answer. But im not telling it to you.

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