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how do I factor this trinomial

x 2 + 13x + 36

 Apr 7, 2017
 #1
avatar+193 
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answer: (x + 9) (x + 4)

 Apr 7, 2017
 #2
avatar+15069 
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how do I factor this trinomial

x² + 13x + 36

 

x2+13x+36=x2+9x+4x+36=x(x+9)+4(x+9)

 

=(x+9)(x+4)

 

laugh  !

 Apr 8, 2017

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