Mathematics

Question

PLEASE HELP ME. Solve using the quadratic formula. 5x2+x+3=0

1 Answer

  • Are you sure you have typed it in correctly?


    - B ± √ B2-4AC
    x = ————————
    2A

    In our case, A = 5
    B = 1
    C = 3

    B2 - 4AC =
    1 - 60 =
    -59

    Applying the quadratic formula :

    -1 ± √ -59
    x = ——————
    10

    But we can't square root a negative number. When you square a number, whether it's a negative, or a positive, you'll always get a positive integer. That's why you can't square root a negative. Please check if you've copied out the question right, so we can help you accordingly.

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