Simplifying Rational Expressions Examples Page 1

Simplify. Is the simplified expression equivalent to the original, or is it frontin'?

The expression factors as .

Canceling the factor of (2x + 3) gives us .

This expression is not equivalent to the original expression, since we can evaluate at but we cannot evaluate the original expression at . Don't take our word for it, try it and see. The verdict is in: frontin'. We knew it.