Find the roots of qe 2x^2-x-6=0
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2x^2-x-6=0
=>2x^2-(4-3)x-6=0
=>2x^2-4x+3x-6=0
=>2x(x-2)+3(x-2)=0
=>(2x+3) (x-2)
=>x=-3/2,. x=2 ans.
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