Add the given polynomials. (i) `x^3-2x^2-9 ; 5x^3 + 2x + 9`

Add the given polynomials: x^3 -2x^2 -9 , 5x^3 +2x+9

Add the polynomial x^(3)-2x-9, 5x^(3)-2x-9

Add the following polynomials: 3x^2 +5x -4 , 8x-2x^2 +11 .

Add the following polynomials : 7x^4 - 2x^3 + x + 10 , 3x^4 + 15x^3 + 9x^2 - 8x + 2

Add the following polynomials and find the degree of the resultant polynomial. (iii) f(x) = 16x^(4) - 5x^(2) + 9" " g(x) = -6x^(3) + 7x - 15

Add the following polynomials and find the degree of the resultant polynomial. (ii) h(x) = 7x^(3) - 6x+1 " " f(x) = 7x^(2) + 17x -9