Simplify: (4x2−3x+1)−(x2+5x−9)(4x^2 - 3x + 1) - (x^2 + 5x - 9)(4x2−3x+1)−(x2+5x−9).
3x2−8x+103x^2 - 8x + 103x2−8x+10
3x2+2x−83x^2 + 2x - 83x2+2x−8
5x2−8x−85x^2 - 8x - 85x2−8x−8
3x2−8x−83x^2 - 8x - 83x2−8x−8