Question

How do you factor `8xy - 10y + 36x - 45`?

Answer 1

`(2y+9)(4x-5)`

Explanation:

Factor by grouping:

`8xy-10y+36x-45`

`=(8xy-10y)+(36x-45)`

`=2y(4x-5)+9(4x-5)`

`=(2y+9)(4x-5)`