In the following, complete the expression so that it is an equality, first by entering the right expression as it would be from the formula, then, in the second blank, entering it after opening all parentheses and simplifying; avoid entering any spaces. For example, if your expression is (5(k+1)-3), enter 5(k+1)-3 in the first blank, and 5k+2 in the second blank. To enter powers, use ^, for example, enter k2 as k^2. By definition of a sum, ?n12(i 1) = 32222(i 1)+ ) - $2222(i 1)+