Question

de maneira semelhante resolva as expressões.
a)(+4)×(-8)+(+4)×(+10) b)(-2)×(-12)+(+20)×(-2) c)(-10)×(+5)+(+5)×(-3) d)(+9)×(-3)+(-13)×(-3) e)(+6)×(-1)+(-3)×(+6)+(+7)×(+6) f)(-9)×(-4)+(-9)×(-3)+(+9)×(-9) ajuda ai gente.

Answer 1

a) -72+960b
c) -11+405d
e) 6 (-4+7x)
f) -18