Practice problem
Simplify (x+y)(x−y)+(x2−y)(x−y2)(x + y)(x - y) + (x^2 - y)(x - y^2)(x+y)(x−y)+(x2−y)(x−y2).
x2−y2+x3−x2y2−xy+y3x^2 - y^2 + x^3 - x^2y^2 - xy + y^3x2−y2+x3−x2y2−xy+y3
2x2−2y2+x3−y32x^2 - 2y^2 + x^3 - y^32x2−2y2+x3−y3
x2−y2+3x3−2x2y2+3y3x^2 - y^2 + 3x^3 - 2x^2y^2 + 3y^3x2−y2+3x3−2x2y2+3y3
x2+3x3−2x2y2+2y3x^2 + 3x^3 - 2x^2y^2 + 2y^3x2+3x3−2x2y2+2y3
Type a concept, like “slope” or “photosynthesis”.
