Simplify: (4x2−3x+1)+(x2+5x−4)(4x^2 - 3x + 1) + (x^2 + 5x - 4)(4x2−3x+1)+(x2+5x−4).
5x2+2x−35x^2 + 2x - 35x2+2x−3
5x2+8x−35x^2 + 8x - 35x2+8x−3
4x2+2x−34x^2 + 2x - 34x2+2x−3
5x2+2x+55x^2 + 2x + 55x2+2x+5