2x³ - x² -13x -6 factorise .
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x=3 is that satisfy this equation so
2x^2(x-3)+5x(x-3)+2(x-3)OR
you can devide this equation from x-3
(x-3)(2x^2+5x+2)
(x-3)(2x^2+4x+x+2)
(x-3){2x(x+2)+1(x+2)}
(x-3)(x+2)(2x+1)
2x^2(x-3)+5x(x-3)+2(x-3)OR
you can devide this equation from x-3
(x-3)(2x^2+5x+2)
(x-3)(2x^2+4x+x+2)
(x-3){2x(x+2)+1(x+2)}
(x-3)(x+2)(2x+1)
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