how do you solve a rational expression -_- .. ?

Here are some steps in simplifying rational expression:
1) factor the numerator
2) factor the denominator
3) remove the factor of 1
You can only cancel if the operation used is multiplication

Answer Link

Manelviz Manelviz · Answer 2

Manelviz Manelviz

Solving Rational Exprssions:

ADDITION AND SUBTRACTION:
First, get the LCD of both expression. After that, perform the operation. Be sure to combine similar terms only.

MULTIPLICATION AND DIVISION:
First, factor the expression, then, perform the operation. You can cancel out similar terms.

Answer Link