document.write( "Question 356240: 15x^4-28x^2+5=0\r
\n" ); document.write( "\n" ); document.write( "t^2-7t-18=0\r
\n" ); document.write( "\n" ); document.write( "3x^2-4x+7 when x=0\r
\n" ); document.write( "\n" ); document.write( "175r^2+490rg+343g^2\r
\n" ); document.write( "\n" ); document.write( "v^2+6v+9\r
\n" ); document.write( "\n" ); document.write( "2x^8-10x^7+10x^6
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Algebra.Com's Answer #254327 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
t^2-7t-18=0
\n" ); document.write( "(t-9)(t+2)=0
\n" ); document.write( "t=9, t=-2
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