document.write( "Question 640224: 16x^2-1=0 how do i factor this? \n" ); document.write( "

Algebra.Com's Answer #403178 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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16x^2-1=0 how do i factor this?
\n" ); document.write( ":
\n" ); document.write( "Note that the only factors of -1 are +1 and -1
\n" ); document.write( "Note that 16 is a perfect square, 4*4
\n" ); document.write( "That indicates that this is the \"difference of squares\"
\n" ); document.write( "(4x+1)(4x-1) \n" ); document.write( "

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