document.write( "Question 21369: the question is: Factor the polynomial completely. If the polynomail cannot be factored, write PRIME.\r
\n" ); document.write( "\n" ); document.write( "z^2 - 49 Can anyone help?
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Algebra.Com's Answer #10288 by venugopalramana(3286)\"\" \"About 
You can put this solution on YOUR website!
Z^2-49
\n" ); document.write( "=Z^2-7^2.....USING THE FORMULA (X+Y)(X-Y)=X^2-Y^2..WE GET
\n" ); document.write( "=(Z+7)(Z-7)
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