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Amy876

What are the solutions to the equation x2 + 3 = 124? A.–3 and 3 B.–10 and 10 C.–11 and 11 D.The equation has no solutions.

  • one year ago
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  1. Amy876
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    Please explain

    • one year ago
  2. saifoo.khan
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    You missed an x.

    • one year ago
  3. saifoo.khan
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    x2 + 3x = 124?

    • one year ago
  4. Amy876
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    No i didn't thats what the equation says

    • one year ago
  5. saifoo.khan
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    x2 + 3 = 124 x^2 +3 - 124 = 0 x^2 - 121 = 0 NOT it's differences of squares. use the formula, (a^2 - b^2 ) = (a+b)(a-b) x^2 - 121 =0 (x-11)(x+11) = 0

    • one year ago
  6. Amy876
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    • one year ago
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  7. Amy876
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    so it doesnt have an answer??

    • one year ago
  8. Sjano
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    x2 + 3 = 124 Then x*2 = 121 and x= 60,5 Or did you mean x^2? Then it's x^2-121= 0 = (x-11) (x+11) = 0 X=-11 and +11

    • one year ago
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