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26 February, 12:39

Solve x2 + 10x + 12 = 36 for x.

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Answers (2)
  1. 26 February, 13:03
    0
    Okay, So We Have The Equation:

    2x + 10x + 12 = 36.

    Combine The 2x and 10x.

    12x + 12 = 36.

    Subtract 12 From Both Sides.

    12x = 36 - 12

    36 - 12 = 24.

    12x = 24

    Divide.

    12x/12 = 1x = X

    X = 24/12

    24/12 = 2

    X = 2.
  2. 26 February, 15:15
    0
    Well lets start with x = 1 so 1 x 2 = 2 + 10 x 1 = 10 + 12

    2 + 10 + 12 = 24 so x doesn't equal 1

    lets try x = 2

    2 x 2 = 4

    10 x 2 = 20

    4 + 20 + 12 = 36 so X = 2
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