How to multiply rational expressions

Get the most by viewing this topic in your current grade. Pick your course now.

Simplifying Rational Expressions Involving Multiplication
State the non-permissible values, then simplify:
$\frac{5x^2y^3}{x^2y^2} \times \frac{9z^3x^4y^2}{15y^3z^2}$ $\frac{5 x ^{2} y ^{3}}{x ^{2} y ^{2}} \times \frac{9 z ^{3} x ^{4} y ^{2}}{15 y ^{3} z ^{2}}$
Multiplying Rational Expressions in Factored Form
State the non-permissible values, then simplify:
$\frac{(x+2)}{(x-12)(x+4)} \times \frac{2(x+4)}{x(x+2)}$ $\frac{( x + 2 )}{( x - 12 ) ( x + 4 )} \times \frac{2 ( x + 4 )}{x ( x + 2 )}$
Convert Expressions to Factored Form, then multiply
State the non-permissible values, then simplify:
1. $\frac{5x^2-15x}{30x^2-10x} \times \frac{3x^2+8x-3}{(x^2-9)}$
2. $\frac{5x+20}{8x-4} \times \frac{10x-5}{(4+x)^2}$
3. $\frac{(x^2+9x+8)(49x^3-x)}{(7x^2+55x-8)(x^2+x)}$

Multiplying rational expressions