What is the following sum?
5 x (RootIndex 3 StartRoot x squared y EndRoot) + 2 (RootIndex 3 StartRoot x Superscript 5 Baseline y EndRoot)
7 x (RootIndex 6 StartRoot x squared y EndRoot)
7 x squared (RootIndex 6 StartRoot x y squared EndRoot)
7 x squared (RootIndex 3 StartRoot x y squared EndRoot)
7 x (RootIndex 3 StartRoot x squared y EndRoot)