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21 July, 13:08

Solve for x. Write both solutions, separated by a comma.

2x^2 - x - 10 = 0

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Answers (2)
  1. 21 July, 14:57
    0
    -2, 5/2

    Step-by-step explanation:

    2x^2 - x - 10 = 0

    Factor

    (2x-5) (x+2) = 0

    Using the zero product property

    2x-5 = 0 x+2 = 0

    2x=5 x = - 2

    x = 5/2 x = - 2
  2. 21 July, 16:10
    0
    x = 5 / 2 or x=-2

    Step-by-step explanation:

    Step 1: Factor left side of equation.

    (2x-5) (x+2) = 0

    Step 2: Set factors equal to 0.

    2x-5=0 or x+2=0

    x = 5 / 2 or x=-2
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