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posted by myra Wednesday, October 3, 2012 at 11:40am.

Points A, B, and C are collinear, and C is between A and B. If AB=8x-4, BC=x+2, and AC=x^2, find the values of x.

AC+CB=AB x^2 + x+2 = 8x-4 x = 1 or 6

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