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OpenStudy (anonymous):
Please help me, Simplify this expression. 4x - 12/X^2 - 9
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OpenStudy (anonymous):
factor out a 4 from the numerator = 4(x-3) in the denominator, x^2-9 = (x+3)(x-3) cancel the x-3's you get 4/(x+3)
OpenStudy (anonymous):
Thank you :)
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