Answer:
you cant solve it, since we need and = sign and other numbers on that side,
but you can simplify it to (x^2+4x+4)
Explanation:
x^3+6x^2+12x+8 /x+2
=(x+2)(x+2)(x+2)/x+2
=x^2+4x+4, since you cancel out one of the numerators(x+2) with the denominator