document.write( "Question 146762: I need exact solutions for x^2+12x+36=64
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Algebra.Com's Answer #107175 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B12x%2B36=64\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B12x%2B36-64=0\" Get all terms to the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B12x-28=0\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "Notice we have a quadratic equation in the form of \"ax%5E2%2Bbx%2Bc\" where \"a=1\", \"b=12\", and \"c=-28\"\r
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\n" ); document.write( "\n" ); document.write( "Let's use the quadratic formula to solve for x\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4ac+%29%29%2F%282a%29\" Start with the quadratic formula\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-%2812%29+%2B-+sqrt%28+%2812%29%5E2-4%281%29%28-28%29+%29%29%2F%282%281%29%29\" Plug in \"a=1\", \"b=12\", and \"c=-28\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-12+%2B-+sqrt%28+144-4%281%29%28-28%29+%29%29%2F%282%281%29%29\" Square \"12\" to get \"144\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-12+%2B-+sqrt%28+144--112+%29%29%2F%282%281%29%29\" Multiply \"4%281%29%28-28%29\" to get \"-112\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-12+%2B-+sqrt%28+144%2B112+%29%29%2F%282%281%29%29\" Rewrite \"sqrt%28144--112%29\" as \"sqrt%28144%2B112%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-12+%2B-+sqrt%28+256+%29%29%2F%282%281%29%29\" Add \"144\" to \"112\" to get \"256\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-12+%2B-+sqrt%28+256+%29%29%2F%282%29\" Multiply \"2\" and \"1\" to get \"2\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-12+%2B-+16%29%2F%282%29\" Take the square root of \"256\" to get \"16\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-12+%2B+16%29%2F%282%29\" or \"x+=+%28-12+-+16%29%2F%282%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%284%29%2F%282%29\" or \"x+=++%28-28%29%2F%282%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+2\" or \"x+=+-14\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So our answers are \"x+=+2\" or \"x+=+-14\" \r
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