Question

4) Calcule:
a) (+5x). (-4x?) =
b) (-2x). (+3x) =
c) (+5x). (+4x)=
d) (-n).(+6n) = -
e) (-6x). (+3x2) = -
f) (-2x). (5y) =
g) (): (3x) =
h) (): (8x) =
i) (): (+3x3) =
i) ():(-2x ) =​

Answer 1

Resposta:

a)-20x^2

b)-6x^2

c)20x^2

d)-6n^2

e)-18x^3

f)-10xy

Answer 2

Resposta:

Explicação passo-a-passo: