Simplify the Fraction Expression (x - (5 + y)/4) / ((3/x) - (2/y))

Simplify Rational Expression (y + 1)/(y - 1) - ((y + 1)^2)/((y - 1)^2) + y^3 + 3y^2 + y + 3

Simplify Complex Rational Expressions: x/y^2 + 1/y / y/x^2 + 1/x

Simplifying Rational Expression (x - 1/x) / (5/x + 5/x^2)

Simplifying Rational Expressions: (x + y)(x^{-1} + y^{-1})^{-1}