You can put this solution on YOUR website! your equation is:
square root (2) * (-8 * square root (2) + 7)
this would be equal to:
-8 * (square root (2))^2 + 7 * square root (2) which would be equal to:
-8 * 2 + 7 * square root (2) which would be equal to:
-16 + 7 * square root (2).
this would show up as: