Question 153322
Add like terms (x^2 terms, x terms, constants):
{{{(3x^2-5x+7)+(4x^2+8x-3)=(3x^2+4x^2)+(-5x+8x)+(7+(-3))}}}
{{{(3x^2-5x+7)+(4x^2+8x-3)=7x^2+3x+4}}}