Posted by sherry on Monday, April 2, 2012 at 6:30pm.
x(x-3)=x-9
x-3x=x-9
x=x-6
x=-6
-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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