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algebra

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Solve the quadratic equation 2x to the 2nd power -3x-2=0using the quadratic formula. Read the information in the assignment list to learn more about how to type math symbols in MS Word, such as the square root.

  • algebra - ,

    2 x^2 - 3 x - 2 = 0

    x = [ 3 +/- sqrt (9 + 16) ]/ 4

    x = [ 3 +/- sqrt(25) ]/ 4

    = [3+5]/4
    or
    = [3-5]/4

    = 2 or -1/2

    check:
    ------------
    (x-2)(2x + 1) = 2 x^2 -3x - 2 yes

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