document.write( "Question 255471: Solve the following equation by using the quadratic formula: g^2+8g+16=0 \n" ); document.write( "
Algebra.Com's Answer #187712 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"g%5E2%2B8g%2B16=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"g%5E2%2B8g%2B16\" is in the form of \"Ag%5E2%2BBg%2BC\" where \"A=1\", \"B=8\", and \"C=16\"\r
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\n" ); document.write( "\n" ); document.write( "Let's use the quadratic formula to solve for \"g\":\r
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\n" ); document.write( "\n" ); document.write( "\"g+=+%28-B+%2B-+sqrt%28+B%5E2-4AC+%29%29%2F%282A%29\" Start with the quadratic formula\r
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\n" ); document.write( "\n" ); document.write( "\"g+=+%28-%288%29+%2B-+sqrt%28+%288%29%5E2-4%281%29%2816%29+%29%29%2F%282%281%29%29\" Plug in \"A=1\", \"B=8\", and \"C=16\"\r
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\n" ); document.write( "\n" ); document.write( "\"g+=+%28-8+%2B-+sqrt%28+64-4%281%29%2816%29+%29%29%2F%282%281%29%29\" Square \"8\" to get \"64\". \r
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\n" ); document.write( "\n" ); document.write( "\"g+=+%28-8+%2B-+sqrt%28+64-64+%29%29%2F%282%281%29%29\" Multiply \"4%281%29%2816%29\" to get \"64\"\r
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\n" ); document.write( "\n" ); document.write( "\"g+=+%28-8+%2B-+sqrt%28+0+%29%29%2F%282%281%29%29\" Subtract \"64\" from \"64\" to get \"0\"\r
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\n" ); document.write( "\n" ); document.write( "\"g+=+%28-8+%2B-+sqrt%28+0+%29%29%2F%282%29\" Multiply \"2\" and \"1\" to get \"2\". \r
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\n" ); document.write( "\n" ); document.write( "\"g+=+%28-8+%2B-+0%29%2F%282%29\" Take the square root of \"0\" to get \"0\". \r
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\n" ); document.write( "\n" ); document.write( "\"g+=+%28-8+%2B+0%29%2F%282%29\" or \"g+=+%28-8+-+0%29%2F%282%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"g+=+%28-8%29%2F%282%29\" or \"g+=++%28-8%29%2F%282%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"g+=+-4\" or \"g+=+-4\" Reduce. \r
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\n" ); document.write( "\n" ); document.write( "So the solution is \"g+=+-4\"\r
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