factorise 2x^3+3x^2-3x-2
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now x=1 is zero of this equation (remainder theorem )
than , 2x^3+3x^2-3x-2/x-1
=2x^2+5x+2
=than divisor = divident *quotient
2x^3.......=2x^2+5x+2*x-1
=(2x^2+4x+x+2)*x-1
=(x-1)(x+1)(2x+1)
than , 2x^3+3x^2-3x-2/x-1
=2x^2+5x+2
=than divisor = divident *quotient
2x^3.......=2x^2+5x+2*x-1
=(2x^2+4x+x+2)*x-1
=(x-1)(x+1)(2x+1)
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