Semplifica le seguenti espressioni.
(−x3+4x2−2x+1)−(x2−2x3+5x)+(4x−x3+x2)(-x^3+4x^2-2x+1)-(x^2-2x^3+5x)+(4x-x^3+x^2)(−x3+4x2−2x+1)−(x2−2x3+5x)+(4x−x3+x2)
−x3+4x2−2x+1−x2+2x3−5x+4x−x3+x2-x^3+4x^2-2x+1-x^2+2x^3-5x+4x-x^3+x^2−x3+4x2−2x+1−x2+2x3−5x+4x−x3+x2 === (2x3−x3−x3)+(4x2−x2+x2)+(4x−2x−5x)+1(2x^3-x^3-x^3)+(4x^2-x^2+x^2)+(4x-2x-5x)+1(2x3−x3−x3)+(4x2−x2+x2)+(4x−2x−5x)+1 === 0+4x2+(−3x)+10+4x^2+(-3x)+10+4x2+(−3x)+1 === 4x2−3x+14x^2-3x+14x2−3x+1