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30 August, 07:37

What is the solution set of 2x^2 - 3x = 5?

{-1, - 5/2}

{-1, 5/2}

{1, - 5/2}

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Answers (2)
  1. 30 August, 10:43
    0
    The answer is {-1, 5/2} and heres why:

    The first step to solveing this equation is to set it to 0 like this Subtract 5 from both sides: 2x^2 - 3x - 5 = 5 - 5 then just Simplify: 2x^2 - 3x - 5 = 0

    Now to solve we must use a certain quadratic eqaution shown down below, because i have no other way to show my math better.

    Now replace a with 2, b with - 3, and c with - 5. You then have to solve both for the postive equation and the negative equation.

    If you would like even more detail just ask in the comments!
  2. 30 August, 10:43
    0
    The answer is x = {-1, 2.5}
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