document.write( "Question 1090143: Determine the expression x^3-2x^2-3x-4 if it is polynomial or not \n" ); document.write( "
Algebra.Com's Answer #704532 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "A polynomial is a combination of terms separated using + or - signs.
\n" ); document.write( "Polynomials \"cannot\"\"+contain\"\"+any\"\"+of\" the following:
\n" ); document.write( "1. Variables raised to a negative or fractional exponent. (\"2x%5E-2\",\"x%5E%281%2F2%29\").
\n" ); document.write( "2. Variables in the denominator. (\"1%2Fx\",\"1%2Fx%5E2\").
\n" ); document.write( "3. Variables under a radical. (\"sqrt%28x%29\",\"3sqrt%28x%29\").
\n" ); document.write( "4. Special features. (trig functions, absolute values, logarithms, …).\r
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\n" ); document.write( "\n" ); document.write( "so, \"x%5E3+-+2+x%5E2+-+3x+-+4\" is a polynomial
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