eniolaendurance0501
eniolaendurance0501 eniolaendurance0501
  • 17-01-2021
  • Mathematics
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Multiply (3+b) × (4+2b)​

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cuviulvliy
cuviulvliy cuviulvliy
  • 17-01-2021

(3+b)*(4+2b)=3*4+3*2b+b*4+b*2b=

=12+6b+4b+2b^2=12+10b+2b^2=2(6+5b+b^2)=

=2(b^2+5b+6)

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