Chapter Twenty — Rational Expressions
The Humongous Book of Algebra Problems
Therefore, a = 4, b = 3, and c = –9.
Multiplying and Dividing Rational Expressions
Common denominators not necessary
20.20 Simplify the expression: .
To multiply two rational expressions, divide the product of the numerators by
the product of the denominators.
Reduce the fraction to lowest terms by eliminating the common factor x from
the numerator and denominator.
20.21 Simplify the expression: .
The product of rational expressions is equal to the product of the numerators
divided by the product of the denominators.
it’s not possible
to reduce the nal
the numerator and
denominator didn’t have
any factors in common
in the previous step.