document.write( "Question 102040: Solve the equation x^2 + 8x + 2 = 0 using both
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\n" ); document.write( "1. The Quadratic Formula
\n" ); document.write( "2. Completing the Square\r
\n" ); document.write( "\n" ); document.write( "Explain which method you prefer and why. \r
\n" ); document.write( "\n" ); document.write( "Please kindly help me. I am having problem answering this question.\r
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Algebra.Com's Answer #74177 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!
1.
\n" ); document.write( "\"x%5E2+-+8x+-+3+=+0\"
\n" ); document.write( "\"x%281%2C2%29+=+-8%2F2+%2B-+sqrt%288%5E2-4%2A%28-3%29%29%2F2%29\"
\n" ); document.write( "\"x%281%2C2%29+=+-8%2F2+%2B-+sqrt%2864%2B12%29%2F2%29%29%29\"
\n" ); document.write( "\"x%281%2C2%29+=+-8%2F2+%2B-+sqrt%2876%29%2F2%29\" here
\n" ); document.write( "we can simplify\"sqrt%2876%29%2F2%29\" this way \"sqrt%2876%3A4%29%2F%282%3A2%29\" and we will have \"sqrt%2819%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x1+=%28+-4+%2B+sqrt%2876%29%2F2%29\"
\n" ); document.write( "\"x2+=%28+-4+-+sqrt%2876%29%2F2%29\"\r
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\n" ); document.write( "\n" ); document.write( "2.
\n" ); document.write( "\"x%5E2+-+8x+-+3+=+0\"
\n" ); document.write( "\"x%5E2+-+2%2A4%2Ax+%2B+4%5E2+=+3+%2B+4%5E2\"
\n" ); document.write( "\"%28x-4%29%5E2+=+19\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+4+%2B+sqrt%2819%29\"
\n" ); document.write( "or
\n" ); document.write( "\"x+=+4+-+sqrt%2819%29+\"\r
\n" ); document.write( "\n" ); document.write( "Completing the Square is the method which I prefer because of the simplicity it offers.
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