How do you solve #\frac { y ^ { 2} - 4} { y - 2} \div \frac { y + 2} { 3y - 6}#?

1 Answer
Dec 25, 2016

#3y - 6#

Explanation:

#(y^2 - 4)/(y - 2) div (y + 2)/(3y - 6)#

When performing division involving fractions, get the reciprocal of the divisor. Then, change the operation to multiplication

#=> (y^2 - 4)/(y - 2) * (3y - 6)/(y + 2)#

#=> ((y - 2)(y + 2))/(y - 2) * (3y - 6)/(y + 2)#

#=> 3y - 6#