document.write( "Question 1392: SOlve by completing the square : W squared - 4W = 17 \n" ); document.write( "

Algebra.Com's Answer #429 by usyim88hk(158) $\"\"$ $\"About$

You can put this solution on YOUR website!
w^2-4w=17
\n" ); document.write( "w^2-4w+(-4/2)^2 = 17+(-4/2)^2
\n" ); document.write( "w^2-4w+4 = 21
\n" ); document.write( "(w-2)^2 = 21
\n" ); document.write( " $\"w-2+=+sqrt%2821%29\"$
\n" ); document.write( " $\"w+=+sqrt%2821%29%2B2\"$ \n" ); document.write( "

\n" );