Answer:2x^2+3Step-by-step explanation:(3x^2 + 2x+4) - (x^2 +2x+1)I'm going to rewrite this using distributive propery and without parenthesis:3x^2 + 2x + 4 - x^2 - 2x - 1Now I'm going to pair up any like terms by use of the commutative property. 3x^2 - x^2 + 2x - 2x + 4 - 1Now simplify:2x^2 + 0 +32x^2+3