Respuesta:
Explicación paso a paso:
b. [(-5)(+4)](-2) = (-20)(-2) = + 40
c. [(-2)(-8)](+5) = (-16)(+5) = - 80
d. [(-5)(-7)](-12) = (+35)(-12) = - 420
e. [(+3)(-6)](+4) = (- 18)(+2) = - 36
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Respuesta:
Explicación paso a paso:
b. [(-5)(+4)](-2) = (-20)(-2) = + 40
c. [(-2)(-8)](+5) = (-16)(+5) = - 80
d. [(-5)(-7)](-12) = (+35)(-12) = - 420
e. [(+3)(-6)](+4) = (- 18)(+2) = - 36