Add the algebraic expressions: `7/2x^3-1/2x^2+5/3,3/2x^3+7/4x^2-x+1/3,3/2x^2-5/2x-2`

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

Add the algebraic expressions: (7)/(2)x^(3)-(1)/(2)x^(2)+(5)/(3),(3)/(2)x^(3)+(7)/(4)x^(2)-x+(1)/(3),(3)/(2)x^(2)-(5)/(2)x-2

Simplify the following algebraic expressions: 3x^3-4x^2+2x-5-8x^3+3x^2-8x-2+3x+1

Subtract the algebraic expressions ( 3x^2+3x-2 ) from ( 5x^2-2x-3 ).

Add the following expressions: 3x^(3)+2x^(2)-6x+3, 2x^(3)-3x^(2)-x-4, 1+2x-3x^(2)-4x^(3)

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

Find the sum of the following algebraic expressions : 3x^(3) - 5x^(2) + 2x + 1 , 3x - 2x^(3) - x^(3) , 2x^(2) - 7x + 9