document.write( "Question 75841: Use the square root property to solve: \r
\n" ); document.write( "\n" ); document.write( "2x^2 - 150 = 0
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Algebra.Com's Answer #54473 by tutorcecilia(2152)\"\" \"About 
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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
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\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]
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