document.write( "Question 1166286: Solve the following quadratic equation by using completing the square.\r
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\n" ); document.write( "2.) x²+5x-3=0
\n" ); document.write( "3.) 8y²-24y-3=0 \n" ); document.write( "

Algebra.Com's Answer #790773 by math_helper(2461) $\"\"$ $\"About$

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document.write( "1)  \r
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document.write( "Divide both sides by 4:
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document.write( "     \r
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document.write( "Add 2 both sides:
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document.write( "      
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document.write( "  
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document.write( "Add  to both sides:
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document.write( "      \r
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document.write( "Simplify RHS: 
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document.write( "    \r
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document.write( "Notice LHS is perfect square:
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document.write( "     \r
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document.write( "Take sqrt both sides, use +/- on RHS (b/c LHS^2 = RHS^2 we otherwise would lose the negative solution):
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document.write( "      = +- \r
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document.write( "Add 1/8 to both sides:
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document.write( "     \r
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document.write( "This can be written:
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document.write( "Note that there are two solutions, agreeing with the highest power of the polynomial (2).\r
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document.write( "The others are procedurally the same.   \r
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