Practice problem
Expand: (x+y)3(x+y)^3(x+y)3
x3+y3+4x2y2x^3+y^3+4x^2y^2x3+y3+4x2y2
x3+y3+2x2y+2xy2+2xyx^3+y^3+2x^2y+2xy^2+2xyx3+y3+2x2y+2xy2+2xy
x3+y3+3x2y+3xy2x^3+y^3+3x^2y+3xy^2x3+y3+3x2y+3xy2
x3+y3+x2+y2+3x2y+3xy2x^3+y^3+x^2+y^2+3x^2y+3xy^2x3+y3+x2+y2+3x2y+3xy2
Type a concept, like “slope” or “photosynthesis”.
