Add : `5m\ (3-m)a n d\ 6m^2-13 m` `4y\ (3y^2+5y-7)a n d\ 2\ (y^3-4y^2+5)`

Add :5m(3-m) and 6m^(2)-13m4y(3y^(2)+5y-7) and 2(y^(3)-4y^(2)+5)

Add (i) 5m(3-m) and 6m^2-13m-13m (ii) 4y(3y^2+5y-7) and 2(y^3-4y^2+5)

Add : 5m (3 – m) and 6m^2 – 13m

Add : 4y (3y^2 + 5y – 7) and 2 (y^3 – 4y^2 + 5)

Add (i)5m(3-m) and 6m^(2)-13m-13m (ii) 4y(3y^(2)+5y-7) and 2(y^(3)-4y^(2)+5)

Add: 5m - 7n, 3n - 4m + 2, 2m - 3mm - 5

Add : 5x ^(2) - 3xy + 4y ^(2) - 9, 7y ^(2)+ 5xy - 2x ^(2) + 13

Add: 5m – 7n, 3n – 4m + 2, 2m – 3mn – 5

Divide: 6x^3y^2z^2\ \ by \ \ 3x^2y z (2) 15 m^2n^(3\ ) by \ 5m^2n^2 (3) 24 a^3b^3\ by -8a b (4) -21\ a b c^2 by \ 7a b c

Add: (i) x y^2+4x^2y-7x^2y-3x y^2+3\ a n d\ x^(2y)+x y^2 (ii) 5x^2+7y-6z^2,\ 4y+3x^2,9x^2+2z^2-9y\ a n d\ 2y-2x^2