Question

How do you simplify `\frac { y ^ { 2} + 10y + 25} { y ^ { 2} - 9} \cdot \frac { y ^ { 2} + 3y } { y+5}`?

Answer 1

`(y^2+5y)/(y-3)`

Explanation:

Factorise `=>`
`((y+5)(y+5))/((y+3)(y-3))` `xx` `(y(y+3))/(y+5)`

Cancel down

`(y+5)/(y-3)` `xx` `y/1`

Multiply

`(y^2+5y)/(y-3)`