Answers

2014-09-19T16:43:28+05:30
2 x^{3} -13x^{2}+26x-15 \\ =2 x^{3} -2 x^{2} -11 x^{2} +11x+15x-15 \\ =2 x^{2} (x-1)-11x(x-10+15(x-1) \\= (2 x^{2} -11x+15)(x-1)
(X-1)(2 x^{2} -6X-5X+15) \\ =(X-1)(2X-5)(X-3)
OR,
 see the attachment 
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