document.write( "Question 201889: Dear tutor,Could you help me to solving this equation please?I do not have any idea to solve it!
\n" ); document.write( "\"x%5E4-13x%5E2%2B36=0\"
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Algebra.Com's Answer #152141 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
\"x%5E4-13x%5E2%2B36=0\"
\n" ); document.write( "(x^2-9)(x^2-4)=0
\n" ); document.write( "(x+3)(x-3)(x+2)(x-2)=0
\n" ); document.write( "x+3=0
\n" ); document.write( "x=-3 ans.
\n" ); document.write( "x-3=0
\n" ); document.write( "x=3 ans.
\n" ); document.write( "x+2=0
\n" ); document.write( "x=-2 ans.
\n" ); document.write( "x-2=0
\n" ); document.write( "x=2 ans.
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