Practice problem
Simplify the expression by combining like terms. 9x2y+3xy+2yx+3y2x9x^2y+3xy+2yx+3y^2x9x2y+3xy+2yx+3y2x
9x2y+3xy2+5xy9x^2y+3xy^2+5xy9x2y+3xy2+5xy
12x2y2+5xy12x^2y^2+5xy12x2y2+5xy
17x4y417x^4y^417x4y4
9x2y+3xy2+5x2y29x^2y+3xy^2+5x^2y^29x2y+3xy2+5x2y2
Type a concept, like “slope” or “photosynthesis”.