factorize : 3x^2+7x +4
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Step-by-step explanation:
3x^2+7x+4=0
3x^2+x(4+3)+4=0
3x^2+4x+3x+4=0
x(3x+4)+1(3x+4)=0
3x+4=0 , x+1=0
x=-4/3 , x=-1
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