document.write( "Question 656149: x^2+8x+20=0 \n" ); document.write( "
Algebra.Com's Answer #409359 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"x%5E2%2B8x%2B20=0\"...use quadratic formula to solve for \"x\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\" ...note that \"a=1\", \"b=8\" and \"c=20\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-8+%2B-+sqrt%28+8%5E2-4%2A1%2A20+%29%29%2F%282%2A1%29+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-8+%2B-+sqrt%28+64-80+%29%29%2F2+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-8+%2B-+sqrt%28+-16+%29%29%2F2+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-8+%2B-+sqrt%28+-1%2A16+%29%29%2F2+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-8+%2B-+4i%29%2F2+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+-8%2F2+%2B-+4i%2F2+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+-4+%2B-+2i+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+-4+%2B+2i+\"
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\n" ); document.write( "\"x+=+-4+-+2i+\"\r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-10%2C+10%2C+-5%2C+25%2C+x%5E2%2B8x%2B20%29+\"\r
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