document.write( "Question 1147054: Find all solutions of the equation. (Enter all answers including repetitions. Enter your answers as a comma-separated list.)
\n" ); document.write( "x^4 + 3x^3 − 13x^2 − 9x + 30 = 0 \n" ); document.write( "
Algebra.Com's Answer #768360 by ikleyn(52852)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "They want you apply the  Rational  Roots  theorem.\r
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\n" ); document.write( "\n" ); document.write( "But I prefer to make a plot of the polynomial first and then to see its roots VISUALLY.\r
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\n" ); document.write( "\n" ); document.write( "When you see them visually, it is  MUCH  EASIER  to apply then the  Rational  Roots  theorem\r
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\n" ); document.write( "\n" ); document.write( "and to justify everything, pretending as if you  \"guessed\"  these roots  using yours  6-th sense\".\r
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