Question

simplifique as expressões reduzindo os termos semelhantes
a)a + 1 + -7
b)-9 x +5m + 7 x - 2 m
c) xy²+xy²+x²y
d)3 x + 5x + 0,2 x - x+ 2x

Answer 1

a) a -6
b) -2x + 3m
c) 2xy² + x²y
d) 9,2x

Answer 2

a) a-6
b)-2x+3m
c)2x2y(2)+x(2)y
d)9,2x