Verified answer

0,008−0,2x−x²+x³= 0,008+x³-0,2x-x²=0,02³+x³-x(0,2+x)= (0,2+x)(00,4-0,2x+x²)-x(0,2+x)=(0,2+x)(0,04-0,2x+x^2-x) =(0,2+x)(0,04-1,2x+x^2)