Question:

Solving by factoring?

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x^2 - 13x = -12

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  1. x^2 - 13x +12 = 0

    (x -12)(x-1) = 0

    x = 12 or x =1


  2. x^2-13x+12=0

    (x-12)(x-1)=0

    x=12

    x=1

  3. x² - 13x + 12 = 0

    (x - 12)(x - 1) = 0

    x = 12 , x = 1

  4. x^2-13x+12=0

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

    x(x-12)-1(x-12)=0

    (x-12)(x-1)=0

    x=12 or 1

  5. add the 12 over: x^2-13x+12=0

    factor: (x-1)(x-12)=0

    zero product property: x=1,12

  6. x^2-12x-x+12=0

    x(x-12)-(x-12)=0

    (x-1)(x-12)=0

    x=1,x=12
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