4(2x-5y)-5(x+3y) 4(p-3q)-3(5q+4p)

1..8x-20y-5x-15y=
3x-35y

2..4p-12q-15q-12p=
-8p-27q

1. 4(2x-5y) -5(x+3y)
=> 8x - 20y - 5x - 15y
=> 8x - 5x - 20y - 15y
=> 3x - 35y
2. 4(p-3q) -3(5q+4p)
=> 4p - 12q - 15q - 12p
=> 4p - 12p - 12q - 15q
=> -8p - 27q

^_^