Question

How do you simplify `\frac { 10n ^ { 2} - 100n } { n ^ { 2} - 15n + 50}`?

Answer 1

`(10n)/(n-5)`

Explanation:

`(10n^2-100n)/(n^2-15n+50)`

`=(10n(n-10))/((n-5)(n-10))` factorise numerator and denominator

`=(10n)/(n-5)` cancel out `n-10`