Question

Упростите выражение.
2 2
(6х -1)+(2-3х-х)
(8b+12)-(2-5b)
2 3 2
(10-12y )-(y -y +6)

Answer 1

(6x-1)+(2-3x-x)=6x-1+2-3x-x=2x+1
(8b+12)-(2-5b)=8b+12-2+5b=13b+10
(10-12y)-(y-y+6)=10-12y-y+y-6=4-12y