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$-x+e^{-1}x=-y^3+2y^2-y$
Learn how to solve problems step by step online. Solve the equation y^3-2y^2y=x-e^(-1)x. Group the terms of the equation. Factor the polynomial -y^3+2y^2-y by it's greatest common factor (GCF): y. The trinomial \left(-y^2+2y-1\right) is a perfect square trinomial, because it's discriminant is equal to zero. Using the perfect square trinomial formula.