Question 672855
OK.  We are down to:
x^2-x=0 Factor out an x from the left side:
x(x-1)=0
Now we have:
x=0
 and
x=1

CK:
x^2-x-5=-5
x=0
0-0-5=-5
-5=-5-----OK
x=1
1-1-5=-5
-5=-5---ok

Hope this helps---ptaylor