crystalhotstuff
crystalhotstuff crystalhotstuff
  • 13-03-2017
  • Mathematics
contestada

Factor completely and check mentally. 3mn^2+3mn

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apologiabiology
apologiabiology apologiabiology
  • 13-03-2017
ab+ac=a(b+c)
a is comon factor

find common factors
factor each
3mn^2=3*m*n*n
3mn=3*m*n
common factor is 3*m*n


3mn(n)+3mn(1)=3mn(n+1)
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