document.write( "Question 631633: what is (x-1)^2-9=0....in factoring,extracting the square root,completing the square,quadratic formula,graphing
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Algebra.Com's Answer #397716 by Maths68(1474) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%28x-1%29%5E2-9=0\"$
\n" ); document.write( " $\"%28x-1%29%5E2=9\"$
\n" ); document.write( " $\"sqrt%28%28x-1%29%5E2%29=sqrt%289%29\"$
\n" ); document.write( " $\"sqrt%28%28x-1%29%28x-1%29%29=sqrt%28%283%29%283%29%29\"$
\n" ); document.write( " $\"x-1=3\"$
\n" ); document.write( " $\"x=3%2B1\"$
\n" ); document.write( " $\"x=4\"$ \r
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\n" ); document.write( "\n" ); document.write( "Check
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\n" ); document.write( " $\"%28x-1%29%5E2-9=0\"$
\n" ); document.write( "Put $\"x=4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%284-1%29%5E2-9=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%283%29%5E2-9=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"9-9=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"0=0\"$
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