Question 893298
{{{(b^3-2b^2+6b-1)-(3b^3+11b)=(b^3-3b^3)+(-2b^2)+(6b-11b)+(-1)}}}
{{{(b^3-2b^2+6b-1)-(3b^3+11b)=(-2b^3)+(-2b^2)+(-5b)+(-1)}}}
{{{(b^3-2b^2+6b-1)-(3b^3+11b)=-(2b^3+2b^2+5b+1)}}}