Kind of having trouble with grouping these two expressions. Can anyone help?

−36x^{3}− 6x^{2}+ 6+ 1x

For this one I came up with: (1 - 6x^{2}) + (6x + 1)

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http://www.webassign.net/latexImages...0eb12b6b20.gif

And then this one, which I know I got completely wrong.