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Intermediate Algebra

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Solve....x(x-3)=x-9

  • Intermediate Algebra -

    x(x-3)=x-9
    x-3x=x-9
    x=x-6
    x=-6

  • Intermediate Algebra -

    -6(-6-3) =/= -6-9
    always check your answer.

    x(x-3) = x-9
    x^2 - 3x = x - 9
    x^2 - 4x + 9 = 0
    x = 2 +/- i√5

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