Question

(6xy+4x−8y)−(3x+2y+7xy−4)

Answer 1

`\boxed{Amswer:-xy+x-10y+4}`

Explanation:

→
`Distribute~the~negative~sign:`

`=6xy+4x-8y+-1(3x+2y+7xy-4)`

`=6xy+4x+-8y+-1(3x)+-1(2y)+-1(7xy)+(-1)(-4)`

`=6xy+4x+-8y+-3x+-2y+-7xy+4`

→
`Combine~like~terms:`

`=(6xy+-7xy)+(4x+-3x)+(-8y+-2y)+(4)`

`=-xy+x+-10y+4`