BlackClouds
BlackClouds BlackClouds
  • 03-10-2017
  • Mathematics
contestada

Difference of two squares
Calculate this
81-(3x-2)^2
^2= to the power of 2

Respuesta :

choixongdong
choixongdong choixongdong
  • 03-10-2017
81-(3x-2)^2
= 81-(-6)^2
= 81 - 36
= 45

hope it helps
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