document.write( "Question 92269: The problem is 3x^2 - 10x = 8
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document.write( "I got x = 6 as shown below except when I plug it in it doesn't work.
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document.write( "3x^2/x = 10x+8/x
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document.write( "3x = 18
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document.write( "x = 6
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Algebra.Com's Answer #67125 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 3X^2-10X=8 \n" ); document.write( "3X^2-10X-8=0 \n" ); document.write( "(3X+2)(X-4)=0 \n" ); document.write( "3X+2=0 \n" ); document.write( "3X=-2 \n" ); document.write( "X=-2/3 ANSWER. \n" ); document.write( "X-4=0 \n" ); document.write( "X=4 ANSWER. \n" ); document.write( "PROOF \n" ); document.write( "3(-2/3)^2-10*-2/3=8 \n" ); document.write( "3(4/9)+20/3=8 \n" ); document.write( "12/9+20/3=8 \n" ); document.write( "12/9+60/9=8 \n" ); document.write( "(12+60)/9=8 \n" ); document.write( "72/9=8 \n" ); document.write( "8=8 \n" ); document.write( "3(4^2)-10*4=8 \n" ); document.write( "3*16-40=8 \n" ); document.write( "48-40=8 \n" ); document.write( "8=8 \n" ); document.write( " \n" ); document.write( " |