[" 1.Add: "],[" (i) "3x,7x]

Add : 3x, - 5x , 7x

Add: 7x, -3x, 5x, -x, -2x

Add : 7x ,-3x

Add: (i) 3x, 7x (ii) 7y, -9y (iii) 2xy, 5xy, -xy (iv) 3x, 2y (v) 2x^(2), -3x^(2), 7x^(2) (vi) 7xyz, -5xyz, 9xyz, - 8xyz (vii) 6a^(3) , - 4a^(3), 10 a^(3), - 8a^(3) (viii) x^(2) - a^(2), -5x^(2) + 2a^(2), -4x^(2) + 4a^(2)

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

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