if -7 +3x=-25, what is the value of x^2-6x+9
Add seven to both sides of the equal sign. Now you have 3x= -18
Then divide by three on each side. Now you have x= -6
Then plug it in.-6^2-6(-6)+9
The answer to that is 9
It's so much better when there's a pic. :DWork is attached.
