happycats
happycats happycats
  • 27-01-2017
  • Mathematics
contestada

Hi, I'm very confused. I honestly don't get this at all! :(

Hi Im very confused I honestly dont get this at all class=

Respuesta :

merxinda
merxinda merxinda
  • 27-01-2017
-a^2+7b^4-2c^3
-(-4)^2+7(-2)^4-2(-3)^3
= -(16)+7(16)-2(27)
= -16+112-54
=-70+112
=42
Answer Link

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