document.write( "Question 100782: 4x^2-8x+3=5 \n" ); document.write( "
Algebra.Com's Answer #73381 by chitra(359)\"\" \"About 
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\"+4x%5E2-8x%2B3=5+\" \r
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\n" ); document.write( "\n" ); document.write( "This can be written as: \r
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\n" ); document.write( "\n" ); document.write( "\"+4x%5E2+-+8x+%2B+3+-+5+=+0+\" \r
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\n" ); document.write( "\n" ); document.write( "\"4x%5E2+-+8x+-+2+=+0+\" \r
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\n" ); document.write( "\n" ); document.write( "To find the roots factor out the above polynomial using the formula method. \r
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\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 in the above polynomial a = 4, b = -8 and c = -2\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+sqrt%28+64+%2B+32+%29%29%2F%288%29+\" \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+sqrt%2896%29%29%2F8+\"\r
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\n" ); document.write( "\n" ); document.write( "Taking 8 out as a common factor we get:\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%281+%2B-+sqrt%2812%29%29+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+1+%2B+-+2+sqrt%283%29+\" \r
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\n" ); document.write( "\n" ); document.write( "thus, the solution.
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