Practice problem
Simplify (2xy2−3x2y)+(xy2+4x2y)(2xy^2 - 3x^2y) + (xy^2 + 4x^2y)(2xy2−3x2y)+(xy2+4x2y).
3x2y4+x4y23x^2y^4 + x^4y^23x2y4+x4y2
6xy2−2x2y6xy^2 - 2x^2y6xy2−2x2y
−xy2+5x2y-xy^2 + 5x^2y−xy2+5x2y
3xy2+x2y3xy^2 + x^2y3xy2+x2y
Type a concept, like “slope” or “photosynthesis”.