document.write( "Question 980958: Find the solution of ach quadratic equations using the quadratic formula .
\n" ); document.write( "x^2+7x=4
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Algebra.Com's Answer #602007 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\"x%5E2%2B7x=4\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B7x-4=0\"\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+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-7+%2B-+sqrt%28+7%5E2-4%2A1%2A%28-4%29+%29%29%2F%282%2A1%29+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-7+%2B-+sqrt%28+49%2B16+%29%29%2F2+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-7+%2B-+sqrt%28+64+%29%29%2F2+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-7+%2B-+8%29%2F2+\"\r
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\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-7+%2B+8%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+1%2F2+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-7+-+8%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-15%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-7.5+\"\r
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