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What is the second power of 2008-2007+2006?
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What is the equivalent of -7th power minus 14 times 7th power minus -49 times 7th power minus 2007 -7^2009-14*7^2008-(-49*7^2007) =-7^2009-2*7^(2008+1)+7^(2+2007) =-2*7^2009 -7^2009-14*7^2008-(-49*7^2007) How did it change? =-7^2009-2*7^(2008+1)+7^(2+2007)
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