Question

Reduza os termos semelhantes: a) 3b+5b-2b+3b b)-7x²+12x²-8x² c)18xy-10xy+15xy d) 36x²y-16x²y+10x²y

Answer 1

A-
3b+5b-2b+3b
8b-4b
+4b

B-
-7x²+12x²-8x²
-49x+144x-64x
-113x+144x
+31x

C-
18xy-10xy+15xy
33xy-10xy
+23xy

D-
36x²y-16x²y+10x²y
1296xy-256xy+100xy
1396xy-256xy
+1140xy