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

Find the domain of each rational expression. x² - 1 / x + 1

Find the domain of each rational expression. x³ - 1 / x - 1

Multiply or divide, as indicated. 15p³/9p² * 12p/10p³

Multiply or divide as indicated. 55.76 * 72

Simplify the expression using exponent rules.

$\(\left\)(-5a^2\(\right\))\(\left\)(3a^8\(\right\))$