Back to Perform rational expression operations — Problem 4 · Task Set 22

Exercises: Rational Expression Arithmetic (Add, Subtract, Multiply, Divide)

This is an advanced (+) topic. Work through each section in order. Factor all numerators and denominators before multiplying or dividing. State domain restrictions for all problems.

Grade 10·19 problems·~45 min·Common Core Math - HS Algebra·standard·hsa-apr-d-7
Work through problems with immediate feedback
A

Fluency Practice

1.

Simplify: 3x+2x21+x5x21\dfrac{3x + 2}{x^2 - 1} + \dfrac{x - 5}{x^2 - 1}.

The denominators are the same — combine numerators, keep the denominator, then simplify.