document.write( "Question 861192: Find the coefficient of the fourth term in ascending powers of x in the expansion of (1 -x+x raised to power 2) all raised to power 7 \n" ); document.write( "
Algebra.Com's Answer #518909 by richwmiller(17219)\"\" \"About 
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Try writing that in math terms.
\n" ); document.write( " (1 -x+x raised to power 2)
\n" ); document.write( "-x+x=0 ????
\n" ); document.write( "use ^2 for for power of two or squared
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