Зпростити вираз 1)2*(5х-3-5*(3-2х) 2)-(3а-2)+(5*а-2)

Question

Зпростити вираз
1)2*(5х-3-5*(3-2х)
2)-(3а-2)+(5*а-2)

Answer 1

2×(5x-3-6×(3-2x)=2×(5x-3-18+12x)=2×(17x-22)=
34x-44
-(3a-2)+(5a-2)=-3a+2+5a-2=2a