Monday, August 5, 2013

3x^2+11x+10 factor using ac method show all steps

3x^2+11x+10 

ac = 30 
with 5+6=11 
so we write: 

3x^2+11x+10= 
3x^2+6x+5x+10= 
3x(x+2)+5(x+2)= 
(3x+5)(x+2)
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