Subtract 5 from both sides to get the x2 term by itself. as a coefficient, and you would need to divide by that coefficient. Dividing by 10 before you take the square root will be a little easier. Now you have only x2 on the left, so you can use the Square Root Property easily.
What is x²?
What is x squared? ... i.e., x squared equals x multiplied by itself. In algebra, x multiplied by x can be written as x×x x × x (or) x⋅x x ⋅ x (or) xx (or) x(x) x squared symbol is x2 .
What does x2 mean?
X2 was a modem protocol developed by U.S. Robotics (now 3Com) to download data at 56 Kbps under pulse-code modulation without the need for modulation/demodulation. It used V. 34+ to upload data at 33.6 Kbps using plain old telephone service lines. X2 was replaced by the V.