Question 70155
{{{(3x^2+5x+7)-(3x^2-2x+2)}}} Start with given expression
{{{3x^2+5x+7-3x^2+2x-2)}}} Distribute the negative
{{{3x^2-3x^2+5x+2x+7-2}}}Group like terms
{{{0x^2+7x+5}}}Simplify by adding and subtracting like terms
{{{7x+5}}}Answer