document.write( "Question 204165: solve the incomplete quadratic equation by the square root method
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Algebra.Com's Answer #154120 by RAY100(1637)\"\" \"About 
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x/4 =9/x,,,,,cross multiply
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\n" ); document.write( "x^2 =36
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\n" ); document.write( "take square root of both sides
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\n" ); document.write( "x= +/- 6
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\n" ); document.write( "check,,,6/4 =9/6 = 3/2,,,ok
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\n" ); document.write( "-6/4 =9/-6 = - 3/2,,,,ok
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