document.write( "Question 456739: Solve the equation by completing the square.
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document.write( "a. Write irrational numbers in simplest radical form.
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document.write( "b. Describe each step as you go.
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document.write( "X^2 + 4x – 8 = 0 \n" );
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Algebra.Com's Answer #313403 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! X^2 + 4x – 8 = 0 \n" ); document.write( "---- \n" ); document.write( "x^2 + 4x + ? = 8 + ? \n" ); document.write( "---- \n" ); document.write( "x^2 + 4x + 4 = 8 + 4 \n" ); document.write( "----- \n" ); document.write( "(x+2)^2 = 12 \n" ); document.write( "--- \n" ); document.write( "x+2 = +/-2sqrt(3) \n" ); document.write( "------ \n" ); document.write( "x = -2+2sqrt(3) or x = -2-2sqrt(3) \n" ); document.write( "======================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " |