document.write( "Question 472158: 3x^2+22x-16=0 \n" ); document.write( "
Algebra.Com's Answer #323765 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"3x%5E2%2B22x-16=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"3x%5E2%2B22x-16\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=3\", \"B=22\", and \"C=-16\"\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-%2822%29+%2B-+sqrt%28+%2822%29%5E2-4%283%29%28-16%29+%29%29%2F%282%283%29%29\" Plug in \"A=3\", \"B=22\", and \"C=-16\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-22+%2B-+sqrt%28+484-4%283%29%28-16%29+%29%29%2F%282%283%29%29\" Square \"22\" to get \"484\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-22+%2B-+sqrt%28+484--192+%29%29%2F%282%283%29%29\" Multiply \"4%283%29%28-16%29\" to get \"-192\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-22+%2B-+sqrt%28+484%2B192+%29%29%2F%282%283%29%29\" Rewrite \"sqrt%28484--192%29\" as \"sqrt%28484%2B192%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-22+%2B-+sqrt%28+676+%29%29%2F%282%283%29%29\" Add \"484\" to \"192\" to get \"676\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-22+%2B-+sqrt%28+676+%29%29%2F%286%29\" Multiply \"2\" and \"3\" to get \"6\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-22+%2B-+26%29%2F%286%29\" Take the square root of \"676\" to get \"26\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-22+%2B+26%29%2F%286%29\" or \"x+=+%28-22+-+26%29%2F%286%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%284%29%2F%286%29\" or \"x+=++%28-48%29%2F%286%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+2%2F3\" or \"x+=+-8\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+2%2F3\" or \"x+=+-8\" \r
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