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45 (X3)+23(X3)+42X=

 Mar 18, 2017
 #1
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45 (X3)+23(X3)+42X=

 

\(45x^3+23x^3+42x=68x^3+42x\) 

 

\(=2\cdot 2\cdot 17\cdot x^3+2 \cdot 3 \cdot 7 \cdot x\)

 

laugh  !

 Mar 18, 2017
edited by asinus  Mar 18, 2017
edited by asinus  Mar 18, 2017

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