3x2+2(x+2)-3x(2x+1)
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Sahdev Sharma 6 years, 9 months ago
{tex}3x^2+2(x+2)-3x(2x+1)= 0{/tex}
=> {tex}3x^2+2x+4-6x^2-3x= 0{/tex}
{tex}=>3x^2+x-4=0{/tex}
{tex}=>3x^2+4x-3x-4=0{/tex}
{tex}=>x(3x+4)-1(3x+4)=0{/tex}
{tex}=>(x-1)(3x+4)=0{/tex}
{tex}=>x=1,-{4\over 3}{/tex}
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