document.write( "Question 334995: How do i work out 16x2-8x+1=0 and also 2x2=4x+1 \n" ); document.write( "

Algebra.Com's Answer #240064 by checkley77(12844) $\"\"$ $\"About$

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16x^2-8x+1=0
\n" ); document.write( "(4x-1)(4x-1)=0
\n" ); document.write( "4x-1=0
\n" ); document.write( "4x=1
\n" ); document.write( "x-1/4 ans.
\n" ); document.write( "----------------
\n" ); document.write( "2x^2=4x+1
\n" ); document.write( "2x^2-4x-1)=0
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( "x=(4+-sqrt[-4^2-4*2*-1])/2*2
\n" ); document.write( "x=(4+-sqrt[16+8])/4
\n" ); document.write( "x=(4+-sqrt24)/4
\n" ); document.write( "x=(4+-4.9)/4
\n" ); document.write( "x=4+4.9)/4
\n" ); document.write( "x=8.9/4
\n" ); document.write( "x=2.25 ans.
\n" ); document.write( "x=(4-4.9)/4
\n" ); document.write( "x=-.9/4
\n" ); document.write( "x=.225 ans. \n" ); document.write( "

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