Question

reduza os termos semelhantes
4a+a-7a=
ab-ab+2ab=
y+1-3y=
3a³-2a+5a³-4a³-3a

Answer 1

4a +a -7a=
5a -7a = -2a
_____________________________
ab-ab+2ab
   0 + 2ab= 2ab
______________________________
y+ 1 -3y=
y-3y +1
 -2y + 1
______________________________
3a³-2a +5a³- 4a³-3a
3a³ + 5a³- 4a³ -2a -3a
8a³-4a³ -5a
 4a³ -5a