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25 August, 06:22

Solve for x Write the smaller solution first, and the larger solution second.

x^2-x-12=0

smaller x=

larger x=

+2
Answers (2)
  1. 25 August, 06:34
    0
    The smaller x is - 3

    The larger x is 4

    Step-by-step explanation:

    x^2-x-12=0

    Factor

    What two numbers multiply together to give us - 12 and add together to give us - 1

    -4*3 = - 12

    -4+3 = 1

    (x-4) (x+3) = 0

    Using the zero product property

    x-4 = 0 x+3 = 0

    x=4 x=-3

    The smaller x is - 3

    The larger x is 4
  2. 25 August, 06:42
    0
    smaller x = - 3

    larger x = + 4

    Step-by-step explanation:

    Factoring the equation x^2-x-12=0

    x^2+3x-4x-12=0

    x (x+3) - (4x+12) = 0

    x (x+3) - 4 (x+3) = 0

    (x-4) (x+3) = 0

    x-4=0 or x+3=0

    x=4 or x=-3

    smaller x = - 3

    larger x = + 4
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