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Colene263 Colene263
  • 19-05-2014
  • Mathematics
Answered

How to factor: a^2+11a+18

Verified Answer :

Anonymous Anonymous
  • 19-05-2014

\(a^2+11a+18\\\\-----------------------------\\\\11=9+2\\18=9\cdot2\\\\-----------------------------\\\\a^2+11a+18=(a+9)(a+2)\)

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kate200468
kate200468 kate200468
  • 19-05-2014

\(a^2+11a+18=a^2+2a+9a+18=a(a+2)+9(a+2)=\\\\=(a+2)(a+9)\)

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