document.write( "Question 1063605: 3x^2 +3x =21. Solve this problem by using the quadratic formula. Show all work.\r
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Algebra.Com's Answer #678717 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"ax%5E2%2Bbx%2Bc=0\" has the solutions \"x=%28-b%2B-+sqrt%28b%5E2-4ac%29%29%2F%282a%29\".\r
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\n" ); document.write( "\n" ); document.write( "\"3x%5E2+%2B3x+=21\"\r
\n" ); document.write( "\n" ); document.write( "\"3x%5E2%2B3x-21=0\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2Bx-7=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%28-1%2B-+sqrt%281%5E2-4%2A1%2A%28-7%29%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%28-1%2B-+sqrt%281%2B28%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%28-1%2B-+sqrt%2829%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%28x=-1%2F2-sqrt%2829%29%2F2%2COR%2Cx=-1%2F2%2Bsqrt%2829%29%2F2%29\"
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