Упростите выражение: 4(2x-5)-8(x-1) 3(10x+2)-6(5x-11) (5x-7)+10(x-2)+3(12-5x)

Question

Упростите выражение:
4(2x-5)-8(x-1)
3(10x+2)-6(5x-11)
(5x-7)+10(x-2)+3(12-5x)

Answer 1

8x-20-8x+8=-12
30x+6-30x+66=72
5x-7+10x-20+36-15x=9

Answer 2

4(2x-5)-8 (x-1)=8x-20-8x+8=-12
3 (10x+2)-6 (5x-11)=30x+6-30x+66=72
(5x-7)+10(x-2)+3(12-5x)=5x-7+10x-20+36-15x=9