Add the algebraic expressions `2x-10y,9y-12x+x+y`

Add the algebraic expressions: 4x y^2-7x^2y ,\ 12 x^2y-6x y^2,\ -3x^2y+5x y^2

Add the algebraic expressions: 4xy^(2)-7x^(2)y,12x^(2)y-6xy^(2),-3x^(2)y+5xy^(2)

Add the algebraic expressions: (11)/2x y+(12)/5y+(13)/7x ,\ -(11)/2y-(12)/5x-13\ x y

Add the algebraic expressions: (11)/(2)xy+(12)/(5)y+(13)/(7)x,-(11)/(2)y-(12)/(5)x-13xy

Group the like terms from the algebraic expressions given: 2x, y, 12xy, 13y^2 , -5x, 18y, -4xy, -2y^2 , 21x^2y , 3x, 3xy, -xy, -y, -6x^2 , -15x^2 .

Write the terms of the following algebraic expressions. 12-x-2y