# SOLUTION: I'm doing long division for division of algebraic expressions and trinomials............ question is ... _______________

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 Click here to see ALL problems on Polynomials-and-rational-expressions Question 170133: I'm doing long division for division of algebraic expressions and trinomials............ question is ... _________________ 2x^4 + 4x^3 + 2 / x^2 - 1 long division = x^2 - 1 / 2x^4 + 4x^3 + 2 answer is 2x^2 + 4x + 2 and i have no idea how they arrived at that answer??Answer by checkley77(12569)   (Show Source): You can put this solution on YOUR website!Your answer [2x^2+4x+2][x^2-1] when multiplied does not=[2x^4+4x^3+2] 2x^2+4x+2 x^2-1 ----------------- 2x^4+4x^3+2x^2-2x^2-4x-2 (2x^4+4x^3-4x-2) does not=(2x^4+4x^3+2)????????