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LUINELUANBORGES123ON
Respondido

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

Resposta :

IMARCELABARBOSAON

Resposta:

[tex]a) (+5x).(-4x2)=-40x\\\\b) (-2x).(+3x) = -6x^2\\\\c) (+5x). (+4x)= 20x^2\\\\d) (-n).(+6n) =-6n^2 \\\\e) (-6x2).(+3x)= -36x^2\\\\f) (-2x). (5y)=-10xy\\\\[/tex]

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