document.write( "Question 75841: Use the square root property to solve: \r
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document.write( "2x^2 - 150 = 0 \n" );
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Algebra.Com's Answer #54473 by tutorcecilia(2152)![]() ![]() You can put this solution on YOUR website! 2x^2 - 150 = 0 \n" ); document.write( "2x^2-150+150=0+150 [solve for x] \n" ); document.write( "2x^2=150 \n" ); document.write( "2x^2/2=150/2 \n" ); document.write( "x^2=75 \n" ); document.write( "sqrt(x^2)=sqrt(75) [take the square root of both sides] \n" ); document.write( "x=8.66 \n" ); document.write( ". \n" ); document.write( "Checking:\r \n" ); document.write( "\n" ); document.write( "2(8.66)^2-150=0 \n" ); document.write( "150-150=0 \n" ); document.write( "0=0 [checks out] \n" ); document.write( " \n" ); document.write( " |