Multiply the binomials. (i) `(2x+5) and (4x-3)` (ii) `(y-8) and (3y-4)` (iii) `(25l-05m) and (25l+05m)` (iv) `(a+3b) and (x+5)` (v) `(2pq+3q^2) and (3pq-2q^2)` (vi) `(3/4(a^2)+3b^2) and ((a^2)-2/3 (b^2))`