Find the value of b is x-b is 'a' factor of -x^3 + b^2 x-x+2
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. 2x + 3 ) 2x^3+ 9x^2- x - b ( x^2+ 3x - 5 . 2x^3+ 3x^2 6x^2 - x - b 6x^2+ 9x - 10x - b - 10x - 15 b + 15 Since 2x + 3 in a factor of the given polynomial hence, remainder should be equal to 0. b + 15 = 0 b = - 15
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