document.write( "Question 107041: i need help solving these quadratic equations using the quadratic formula.
\n" ); document.write( "2x^2 - 5x = 3\r
\n" ); document.write( "\n" ); document.write( "3x^2 - 2x + 1 = 0
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Algebra.Com's Answer #77871 by HyperBrain(694)\"\" \"About 
You can put this solution on YOUR website!
\"2x%5E2-5x=3\"
\n" ); document.write( "\"2x%5E2-5x-3=3-3\"
\n" ); document.write( "\"2x%5E2-5x-3=0\"\r
\n" ); document.write( "\n" ); document.write( "The quadratic formula for solving the value of x in \"ax%5E2%2Bbx%2Bc=0\" is\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"\r
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\n" ); document.write( "\n" ); document.write( "Here, a=2, b=-5, and c=-3.So,\r
\n" ); document.write( "\n" ); document.write( "\"x=%28-%28-5%29%2B-sqrt%28%28-5%29%5E2-4%2A2%2A%28-3%29%29%29%2F%282%2A2%29\"
\n" ); document.write( "\"x=%285%2B-sqrt%2825-%28-24%29%29%29%2F%284%29\"
\n" ); document.write( "\"x=%285%2B-sqrt%2825%2B24%29%29%2F%284%29\"
\n" ); document.write( "\"x=%285%2B-sqrt%2849%29%29%2F%284%29\"
\n" ); document.write( "\"x=%285%2B-+7%29%2F%284%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x=%285%2B7%29%2F%284%29\" or \"x=%285-7%29%2F%284%29\"
\n" ); document.write( "\"x=12%2F4\" or \"x=-2%2F4\"
\n" ); document.write( "\"x=3\" or \"x=-1%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "For your next problem, \"3x%5E2+-2x%2B1+=+0\"\r
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\n" ); document.write( "\n" ); document.write( "Here, a=3, b=-2, c=1.\r
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\n" ); document.write( "\n" ); document.write( "Using the quadratic formula,\r
\n" ); document.write( "\n" ); document.write( "\"x=%28-%28-2%29%2B-sqrt%28%28-2%29%5E2-4%2A3%2A1%29%29%2F%282%2A3%29\"
\n" ); document.write( "\"x=%282%2B-sqrt%284-12%29%29%2F%286%29\"
\n" ); document.write( "\"x=%282%2B-sqrt%28-8%29%29%2F%286%29\"\r
\n" ); document.write( "\n" ); document.write( "We know that square root of a negative number does not exist because all squares are positive numbers. In this cases, oftentimes, mathematicians use the symbol \"i\" for the square root of \"-1\"\r
\n" ); document.write( "\n" ); document.write( "Let's continue\r
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\n" ); document.write( "\n" ); document.write( "\"x=%282%2B-sqrt%28%28-1%29%284%29%282%29%29%29%2F%286%29\"
\n" ); document.write( "\"x=%282%2B-+%28sqrt%28-1%29%29%28sqrt%284%29%29%28sqrt%282%29%29%29%2F%286%29\"
\n" ); document.write( "\"x=%282%2B-+%28i%29%282%29%28sqrt%282%29%29%29%2F%286%29\"
\n" ); document.write( "\"x=%282%2B-+2i+%28sqrt%282%29%29%29%2F%286%29\"\r
\n" ); document.write( "\n" ); document.write( "Roots involving \"i\" are called imaginary roots.\r
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\n" ); document.write( "\n" ); document.write( "Power up,
\n" ); document.write( "HyperBrain!
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