$$( { x }^{ 2 } 2x+3)-(2 { x }^{ 2 } +3)+( { x }^{ 3 } + { x }^{ 2 } +1)=$$
$3x^{3}-x^{2}+1$
$$x^{3}\times 2+3-\left(2x^{2}+3\right)+x^{3}+x^{2}+1$$
$$x^{3}\times 2+3-2x^{2}-3+x^{3}+x^{2}+1$$
$$x^{3}\times 2-2x^{2}+x^{3}+x^{2}+1$$
$$3x^{3}-2x^{2}+x^{2}+1$$
$$3x^{3}-x^{2}+1$$
Show Solution
Hide Solution
