Question

Como simplificar as expressões:
A) 4m +5m

B) -7x - 5x

C) 2xy - 12xy

D) 9t - 4t -2t

Answer 1

Resposta:

a) 4m+5m=m(4+5)=9m

b)-7x-5x=x(-7-5)=-12x

c)2xy-12xy=xy(2-12)=-10xy

d)9t-4t-2t=t(9-4-2)=3t