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Mathematics
OpenStudy (anonymous):
simplify the rational expression 2x^2 -4x -6 / x^2 +x -12
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OpenStudy (anonymous):
come one , you know you have to factor both the numerator and denomiator first to see which terms cancel out.
OpenStudy (aroub):
= 2(x-3)(x+1)/ (x-3)(x+4)
OpenStudy (aroub):
=2(x+1)/(x+4)
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