Simplify: (4x2−3x+2)+(−2x2+5x−7)(4x^2 - 3x + 2) + (-2x^2 + 5x - 7)(4x2−3x+2)+(−2x2+5x−7).
2x2+2x−52x^2 + 2x - 52x2+2x−5
2x2+8x−52x^2 + 8x - 52x2+8x−5
6x2+2x−56x^2 + 2x - 56x2+2x−5
2x2+2x+92x^2 + 2x + 92x2+2x+9