document.write( "Question 385549: help me solve (2x-1)(x-4)=39 \n" ); document.write( "
Algebra.Com's Answer #272764 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi
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document.write( "solving
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document.write( " (2x-1)(x-4)= 39
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document.write( " 2x^2 - 9x + 4 = 39
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document.write( " 2x^2 -9x -35 = 0
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document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\" 
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document.write( "\"x+=+%289+%2B-+sqrt%28+361+%29%29%2F%284%29+\" 
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document.write( "\"x+=+%289+%2B-+19%29%2F%284%29+\" 
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document.write( "   x = 28/4 = 7
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document.write( "   x = -10/4 =  -2.5 \n" );
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