document.write( "Question 516760: Please help me solve this equation: And I need to know how to check the answer, so ...solve and check\r
\n" ); document.write( "\n" ); document.write( "3x²-2x+7-x²+3-2x²=4\r
\n" ); document.write( "\n" ); document.write( "Thanks, in advance
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Algebra.Com's Answer #344484 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
-2x=4-10
\n" ); document.write( "-2x=-6
\n" ); document.write( "x=-6/-2
\n" ); document.write( "x=3
\n" ); document.write( "-----------------
\n" ); document.write( "3x^2-2*3+7-x^2+3-2x^2=4
\n" ); document.write( "-6=-6
\n" ); document.write( "
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