Question

a) (+5x).(-4x2) =
b) (-2x).(+3x) =
c) (+5x).(+4x) =
d) (-x2/3).(-x/2) =
e) (-2x/3).(6x/5) =
f) (-7abc): (-ab) =
g) (15x”): (6x5) =
h) (20ab%): ( 15ab) =
i) (+1/3x3): (-1/5x2) =
j) (-4/5xsy): (-4/3x3y) =​

Answer 1

Resposta:

A) (+5x).(-4x²)= -20x³

B) (-2x).(+3x)= -6x²

C) (+5x).(+4x)=-18x⁴

Explicação passo-a-passo:

SO SEI ESSES.