a) x^3 - x^2 - 16x + 16
b)2x^4 + 3x^3 - 32x^2 - 48x
thanks.... more to come
b) x(x^2+16)(2x+3)(2x-3)
x2(x-1)-16(x+1) (x2-16)(x-1)(x+1) (x+4)(x-4)(x-1)(x+1)
B) x3(2x+3)-8x(4x-8) (x3-8x)(2x+3)4(x-2)