document.write( "Question 975114: 15x^4-11x^2+2=0 \n" ); document.write( "

Algebra.Com's Answer #596936 by josgarithmetic(39618) $\"\"$ $\"About$

You can put this solution on YOUR website!
Try using v=x^2 and first solve for v.\r
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\n" ); document.write( "\n" ); document.write( " $\"15v%5E2-11v%2B2=0\"$
\n" ); document.write( "If factorable, then easier to finish:\r
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\n" ); document.write( "\n" ); document.write( " $\"%283v-1%29%285v-2%29=0\"$ \r
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\n" ); document.write( "\n" ); document.write( "ZERO PRODUCT RULE & REVERSE SUBSTITUION:\r
\n" ); document.write( "\n" ); document.write( " $\"3v-1=0\"$
\n" ); document.write( " $\"3v=1\"$
\n" ); document.write( " $\"v=1%2F3\"$
\n" ); document.write( " $\"x%5E2=1%2F3\"$
\n" ); document.write( " $\"x=0%2B-+sqrt%281%2F3%29\"$
\n" ); document.write( " $\"highlight%28x=0%2B-+sqrt%283%29%2F3%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"5v-2=0\"$
\n" ); document.write( " $\"5v=2\"$
\n" ); document.write( " $\"v=2%2F5\"$
\n" ); document.write( " $\"x%5E2=2%2F5\"$
\n" ); document.write( " $\"x%5E2=%282%2F5%29%285%2F5%29=10%2F5%5E2\"$
\n" ); document.write( " $\"highlight%28x=0%2B-+sqrt%2810%29%2F5%29\"$ \n" ); document.write( "

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