Question

obten el factor comun y luego calcula

a) -8*3+5*3

b) 7*4-3*(-4)

c)9-9*2

d)20-25

Answer 1

a) (-8 + 5)3 = - 9
b) (7 - 3)4 = 16
c) (1 - 2)9 = - 9
d) (4 x 5 - 5 x 5) = (4 - 5)5 = - 5