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Algebra 1ChallengeRational Expressions

Rational Expressions · Challenge problem

Multiply and simplify:  x2−9x2+2x−8⋅x2+6x+8x2+7x+12\ \dfrac{x^{2}-9}{x^{2}+2x-8}\cdot\dfrac{x^{2}+6x+8}{x^{2}+7x+12}.