Lesson Screwed

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WillHeatb
As white, my best move is capturing the black rook with my rook, then checkmating with my queen, but the lesson says this is the wrong move?
WillHeatb

I can't figure out how to post the png here, so here's the image on my drive. https://drive.google.com/file/d/0B9La1nkrz5bzdXB5SUoxMFE5NDg/view?usp=drivesdk

urk
Qh7+ is not mate so the easy and natural Rxe8+ may not be the best.
Rh4 could be stronger.
hyperjaguar23
Ok?
urk
No, I think Re7!! Is the move.