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Multiplying and Dividing Rational Expressions  Problem 7
Explanation
As with any fractions, dividing is the same is multiplying by the reciprocal. We leave the first fraction the same, invert the second fraction, and multiply. Here we're working with polynomials, so factor everything and cross out any common factors in tops and bottoms. Domain restrictions are any values of variables that would make any denominators equal to zero, since dividing by zero is undefined.
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Multiplying and Dividing Rational Expressions
Problem 1 5,327 views 
Multiplying and Dividing Rational Expressions
Problem 2 4,417 views 
Multiplying and Dividing Rational Expressions
Problem 3 3,833 views 
Multiplying and Dividing Rational Expressions
Problem 4 209 views 
Multiplying and Dividing Rational Expressions
Problem 5 214 views 
Multiplying and Dividing Rational Expressions
Problem 6 164 views 
Multiplying and Dividing Rational Expressions
Problem 7 153 views 
Multiplying and Dividing Rational Expressions
Problem 8 193 views 
Multiplying and Dividing Rational Expressions
Problem 9 183 views
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