Algebra 1HardRational Expressions ShareRational Expressions · Hard problemSimplify x3+2x2−9x−18x2−9\dfrac{x^3+2x^2-9x-18}{x^2-9}x2−9x3+2x2−9x−18 (assume x≠±3x\ne \pm 3x=±3).Check Show answer Walk through it step by step Practice more like this Review this concept