Question 2787
 
Factorise  {{{(6x^2+23x+7)}}}
 
=  {{{(6x^2+2x+21x+7)}}} 
                         
=  2x(3x+1) + 7(3x+1)    
 
=  (3x+1) (2x+7)    Answer.

Note:  Split the coefficient of the mid term in such a way that the product of those two should be equal to the last term multiplied by the coefficient of the first term. 


gsm