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

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)

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 .

Add the following algebraic expressions : (i) 5x^(3)- 3x + 7 , 2x^(2) - 11 and 7x^(3) - 11x^(2) + 4x- 3

Factorize each of the following algebraic expressions: 6x(2x-y)7y(2x-y)2r(y-x)+s(x-y)7a(2x-3)+3b(2x-3)9a(6a-5b)-12a^(2)(6a-5b)

In the algebraic expression 5x^2y+7x y^2-3x y-4y x^2, we have 5x^2y and -4y x^2 as like terms, whereas 7x y^2 and -3x y are unlike terms.