Question

How to simplify -3 (4×-5y-5×)

Answer 1

−3(4x−5y−5x)=
(−3)(4x+−5y+−5x)=
(−3)(4x)+(−3)(−5y)+(−3)(−5x)=
−12x+15y+15=
3x+15y

Answer 2

Distribute -3 to the rest of the numbers by multiplying them together. That’s all you need to do you don’t have to solve