document.write( "Question 538030: Solve equation by taking square roots.\r
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document.write( "2x^2 - 7 = 59 \n" );
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Algebra.Com's Answer #353086 by oberobic(2304)![]() ![]() ![]() You can put this solution on YOUR website! 2x^2 -7 = 59 \n" ); document.write( ". \n" ); document.write( "2x^2 -66 = 0 \n" ); document.write( ". \n" ); document.write( "x^2 -33 = 0 \n" ); document.write( ". \n" ); document.write( "(x + sqrt(33))*(x - sqrt(33)) = 0 \n" ); document.write( ". \n" ); document.write( "x = + or - sqrt(33) \n" ); document.write( ". \n" ); document.write( "Check the answer \n" ); document.write( ". \n" ); document.write( "x^2 = (sqrt(33)^2 = 33^(1/2)^2 = 33 \n" ); document.write( "2*33 = 66 \n" ); document.write( "66-7 = 59 \n" ); document.write( ". \n" ); document.write( "Answer: x = + or - sqrt(33) \n" ); document.write( " |