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anonymous

  • 5 years ago

Solve for x in the following equation 2x^2-24x+54=0 A.) x=-9;-3 B.)x=9;-3 C.)x=9;3 D.)x=-9;3

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  1. anonymous
    • 5 years ago
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    divide by 2. you will get x^2 - 12x+27 = 0 notice that 12 = 9 +3 and notice that 9*3 = 27

  2. anonymous
    • 5 years ago
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    so its B

  3. anonymous
    • 5 years ago
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    nope.

  4. anonymous
    • 5 years ago
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    thenn it has to be A

  5. anonymous
    • 5 years ago
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    why dont you substitute the values of 9,3,-9,-3 in your equation and see which of them solve it?

  6. anonymous
    • 5 years ago
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    k

  7. anonymous
    • 5 years ago
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    okay well i pluged in C and thats the right answer

  8. anonymous
    • 5 years ago
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    yes.

  9. anonymous
    • 5 years ago
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    yaaayyy i got it

  10. anonymous
    • 5 years ago
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    :)

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spraguer (Moderator)
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