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Rational Expressionshard
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If Ax−1+Bx+2=3x+6x2+x−2\frac{A}{x-1} + \frac{B}{x+2} = \frac{3x+6}{x^2+x-2}x−1A​+x+2B​=x2+x−23x+6​, find A⋅BA \cdot BA⋅B.