document.write( "Question 1055487: (7u^4-9u-1)-(-7u^4+9u+1) = \n" ); document.write( "
Algebra.Com's Answer #670691 by ikleyn(53937)\"\" \"About 
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\n" ); document.write( "(7u^4 - 9u - 1) - (-7u^4 + 9u + 1) = 14u^4 - 18u - 2.\r
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