0. Review of Algebra

Find the domain of each rational expression. 3 / x2 - 5x - 6

Find the domain of each rational expression. x^2 - 1 / x + 1

Find the domain of each rational expression. x^3 - 1 / x - 1

Multiply or divide, as indicated. 15p^3/9p^2 * 12p/10p^3

Perform all indicated operations, and write each answer with positive integer exponents. {x- 9y^-1}/{ (x-3y^-1)(x+3y^-1)}