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OpenStudy (ray_sihota):
4x^2-x=-9x x(4x-1)=-9x 4x-1=-9x -4x on each side -1=-13x divide by -13 x=1/13. but I am getting x=-2 as the answer in the back of the book.
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OpenStudy (ray_sihota):
original qustions is 4x^2-x=-9x
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