Please help! Express the following in the formx + iy

(i)(8 + 6i) + (6 + 4i)
(ii) (9 - 3i) + (- 4 + 5i)
(iii )(2+7i)-(5+3i)
(iv)(5-i)-(6-2i)
(V) 3(4 + 6i) + 9(1 - 2i)
(vi) 3i^ * (7-4i)
( ii)(9+2i)(1+3i)
( viii)(4-i)(3+2i)
(ix)(7+3i) ^ 2
(x)(8 + 6i) (8 - 6i)
(xi)(1+2i)(3-4i)^ (5+6 )
(Xii)(3+2i)^3