\(a,\\x^3-27=\left(x-3\right)\left(x^2+3x+9\right)\\ b,x^3-1000=\left(x-10\right)\left(x^2+10x+100\right)\)
1, = \(\left(x-3\right)\left(x^2+3x+9\right)\)
2, = \(\left(x-10\right)\left(x^2+10x+100\right)\)
x3 - 27 = (x - 3)(x2 + 3x + 9)
x3 - 1000 = (x - 10)(x2 + 10x + 100)