Question

How do you evaluate `\frac { 5} { x z ^ { 5} } - \frac { 14} { x z ^ { 5} }`?

Answer 1

When the denominator are the same... we can simply subtract it
`a/b-c/b=(a-c)/b`
So.....
`5/(xz^5)-14/(xz^2)`
`=(5-14)/(xz^5)`
`=-9/(xz^5)`
It can't be simplified further