document.write( "Question 263557: solve by any method and simplif: 16x^2 - 1=0 \n" ); document.write( "

Algebra.Com's Answer #194213 by drk(1908) $\"\"$ $\"About$

You can put this solution on YOUR website!
I will use difference of two squares to get
\n" ); document.write( " $\"%284x-1%29%284x%2B1%29+=+0\"$
\n" ); document.write( "set each part = 0 and solve
\n" ); document.write( "first,
\n" ); document.write( " $\"4x-1%29+=+0\"$
\n" ); document.write( "add 1 to get
\n" ); document.write( " $\"4x+=+1\"$
\n" ); document.write( "divide by 4 to get
\n" ); document.write( " $\"x+=+1%2F4\"$
\n" ); document.write( "second,
\n" ); document.write( " $\"4x%2B1%29+=+0\"$
\n" ); document.write( "subtract 1 to get
\n" ); document.write( " $\"4x+=+-1\"$
\n" ); document.write( "divide by 4 to get
\n" ); document.write( " $\"x+=+-1%2F4\"$ \n" ); document.write( "

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