5 y - 20 / 5 y =
5 y - 4 * 5 / 5 y =
5 y - 4 / y =
( 5 y * y - 4 ) / y =
( 5 y ^ 2 - 4 ) / y
Simplify by removing the factor of 1
5y -20 / 5y
2 answers
I assume you mean
(5y-20)/(5y)
then
= 5(y-4)/(5y)
= (y-4)/y
(5y-20)/(5y)
then
= 5(y-4)/(5y)
= (y-4)/y