document.write( "Question 224912: Solve.
\n" ); document.write( "The sq root of (9x+55)=x+5\r
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Algebra.Com's Answer #168006 by ankor@dixie-net.com(22740)\"\" \"About 
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Solve.
\n" ); document.write( "\"sqrt%289x%2B55%29\" = x+5
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\n" ); document.write( "Square both sides
\n" ); document.write( "9x + 55 = (x+5)^2
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\n" ); document.write( "FOIL the right side
\n" ); document.write( "9x + 55 = x^2 + 10x + 25
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\n" ); document.write( "Combine on the right
\n" ); document.write( "0 = x^2 + 10x - 9x + 25 - 55
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\n" ); document.write( "x^2 + x - 30 = 0
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\n" ); document.write( "Factors to
\n" ); document.write( "(x+6)(x-5) = 0
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\n" ); document.write( "Two solutions
\n" ); document.write( "x = -6
\n" ); document.write( "and
\n" ); document.write( "x = 5
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\n" ); document.write( "Check both solutions in original equation
\n" ); document.write( "only x = 5 is valid\r
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