document.write( "Question 446963: Solve the following equations
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document.write( "(i) 3- 4x2 = -85
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document.write( "(ii) -5x2 = -500 \n" );
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Algebra.Com's Answer #307776 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! \"Solve the following equations \n" ); document.write( "(i) 3- 4x2 = -85 \n" ); document.write( "(ii) -5x2 = -500\"\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3 - 4x² = -85 \n" ); document.write( "-4x² = -88 {subtracted 3 from both sides} \n" ); document.write( "x² = 22 {divided both sides by -4} \n" ); document.write( "x = ±√22 {took square root of both sides}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-5x² = -500 \n" ); document.write( "x² = 100 {divided both sides by -5} \n" ); document.write( "x = ±10 {took square root of both sides} \n" ); document.write( "www.algebrahouse.com \n" ); document.write( " |