document.write( "Question 1043596: Please help me solve this question x^2+y^2+z^2=2(x+z-1)then the value of x^2+y^2+z^2 \n" ); document.write( "

Algebra.Com's Answer #658743 by KMST(5328) $\"\"$ $\"About$

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$\"x%5E2%2By%5E2%2Bz%5E2=2%28x%2Bz-1%29\"$
\n" ); document.write( " $\"x%5E2%2By%5E2%2Bz%5E2=2x%2B2z-2\"$
\n" ); document.write( " $\"x%5E2-2x%2By%5E2%2Bz%5E2-2z=-2\"$
\n" ); document.write( " $\"x%5E2-2x%2B1%2By%5E2%2Bz%5E2-2z%2B1=-2%2B1%2B1\"$
\n" ); document.write( " $\"%28x-1%29%5E2%2By%5E2%2B%28z-1%29%5E2=0\"$
\n" ); document.write( "That describes the point with $\"system%28x=1%2Cy=0%2Cz=1%29\"$ ,
\n" ); document.write( "and substituting those values for the variables we get
\n" ); document.write( " $\"x%5E2%2By%5E2%2Bz%5E2=1%5E2%2B0%5E2%2B1%5E2=highlight%282%29\"$ \n" ); document.write( "

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