document.write( "Question 84666: hi i have a final tommrow and i got a brain fart while studying
\n" ); document.write( "im have troble solving
\n" ); document.write( "simplify.
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\n" ); document.write( "18n +(-9n)+4n+(-3n)
\n" ); document.write( "18n is squard as well as -3n
\n" ); document.write( "also if you dont mind \r
\n" ); document.write( "\n" ); document.write( "what is the expanded form of
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\n" ); document.write( "(7x-8x+3)(5x-2)
\n" ); document.write( "7x is squard
\n" ); document.write( "thank you so much hope you can help me
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Algebra.Com's Answer #61000 by vertciel(183)\"\" \"About 
You can put this solution on YOUR website!
Hello there,\r
\n" ); document.write( "\n" ); document.write( "18n^2 +(-9n)+4n+(-3n)^2 <-- Exponents can be denoted by the ^ symbol.\r
\n" ); document.write( "\n" ); document.write( "= 18n^2 - 5n - 3n^2\r
\n" ); document.write( "\n" ); document.write( "= 15n^2 - 5n \r
\n" ); document.write( "\n" ); document.write( "= 5n(3n - 1)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(7x-8x+3)(5x-2)\r
\n" ); document.write( "\n" ); document.write( "= 35x^2 - 14x - 40x + 16x + 15x - 6\r
\n" ); document.write( "\n" ); document.write( "I'll pass it onto you now.
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