document.write( "Question 264149: Hello, using the quadratic formula, can you help me solve 3x^2-12x+11=0? \n" ); document.write( "
Algebra.Com's Answer #194503 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"3x%5E2-12x%2B11=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"3x%5E2-12x%2B11\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=3\", \"B=-12\", and \"C=11\"\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-%28-12%29+%2B-+sqrt%28+%28-12%29%5E2-4%283%29%2811%29+%29%29%2F%282%283%29%29\" Plug in \"A=3\", \"B=-12\", and \"C=11\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2812+%2B-+sqrt%28+%28-12%29%5E2-4%283%29%2811%29+%29%29%2F%282%283%29%29\" Negate \"-12\" to get \"12\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2812+%2B-+sqrt%28+144-4%283%29%2811%29+%29%29%2F%282%283%29%29\" Square \"-12\" to get \"144\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2812+%2B-+sqrt%28+144-132+%29%29%2F%282%283%29%29\" Multiply \"4%283%29%2811%29\" to get \"132\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2812+%2B-+sqrt%28+12+%29%29%2F%282%283%29%29\" Subtract \"132\" from \"144\" to get \"12\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2812+%2B-+sqrt%28+12+%29%29%2F%286%29\" Multiply \"2\" and \"3\" to get \"6\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2812+%2B-+2%2Asqrt%283%29%29%2F%286%29\" Simplify the square root (note: If you need help with simplifying square roots, check out this solver) \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2812%2B2%2Asqrt%283%29%29%2F%286%29\" or \"x+=+%2812-2%2Asqrt%283%29%29%2F%286%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%286%2Bsqrt%283%29%29%2F%283%29\" or \"x+=+%286-sqrt%283%29%29%2F%283%29\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+%286%2Bsqrt%283%29%29%2F%283%29\" or \"x+=+%286-sqrt%283%29%29%2F%283%29\" \r
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