Tìm x biết rằng
tìm x biết:
a, (x-3)(x^2 + 3x +9) - x(x+2)(x-2) =1
b, (x+1)^3 - (x-1)^3 - 6(x-1)^2+ -10
c, x^3 + 3x^2= -3x - 1
d, x^3 - 16x = 0
a, (x-3)(x^2 + 3x +9) - x(x+2)(x-2) =1
b, (x+1)^3 - (x-1)^3 - 6(x-1)^2+ -10
c, x^3 + 3x^2= -3x - 1
d, x^3 - 16x = 0