Add the following
`5a+2a^2-3a^3+8, -4a^2 +5a^3 -9, -2a+6a^2 -3a^3 , -a+4a^2 -9, 4-a-2a^2 +3a^3`

Add the following -2a+5a^2-a^3+2, -5a^2 -2a^3 +4, a-a^2 +3a^3, -2a-3a^2-4, 6-3a+2a^2-2a^3

Add the following 3a+6a^2b+4b,2b-9ab^2-6a,-6a-7b+2a^2b

Simplify : a^(2) - 2a + {5a^(2) - 3a - 4a^(2)}

Multiply : 2a^(2) - 5a - 4 and -3a

Add the following expressions: (i) x^3-2x^2y+3x y^2-y^3,\ 2x^3-5x y^2+3x^2y-4y^3 (ii) a^2-2a^3b+3a b^3+4a^2b^2+3b^4,-2a^2-5a b^3+7a^3b-6a^2b^2+b^4

Add the following algebraic expressions : 2a - 3b + 4c , -3a + 2b - 5c , 7a - c and 3b + 6c

Add the following expressions: (i) 8a-6a b+5b ,\ -6a-a b-8b\ a n d-4a+2a b+3b (ii) 5x^3+7+6x-5x^2,\ 2x^2-8-9x ,\ 4x-2x^2+3x^3,\ 3x^3-9x-x^2\ a n d\ x-x^2-x^3-4

Add the algebraic expressions: 3a^2b ,-4a^2b ,9a^2b

Divide : 9a^(5) - 6a^(2) by 3a^(2)

Add the expressions : 3a - 2b + 5c and 4a + 7b - 9c