6.8 Multiplying and Dividing Rational Expressions

multiplying When rational expressions, we use the same rules as we do for multiplying rational numbers. Theorem: For all r, s, t, and u, t and u ≠ 0,

When we. rational expressions we can. by the When we rational expressions we can by the and then use the first theorem on multiplication. Theorem: For all r, s, t, and, u, and s, t, and u ≠ 0 For either case, we can then all expression and common factors. divide multiply reciprocal factor cancel

Simplify 1.

Simplify 2.

Simplify 3.

Simplify 4.

Sometimes you may need to find a denominator and combine two expressions before simplifying. common

Simplify 5.

Simplify 6.