200=2Q^2

Solution for 200=2Q^2 equation:

Simplifying
200 = 2Q2

Solving
200 = 2Q2

Solving for variable 'Q'.

Move all terms containing Q to the left, all other terms to the right.

Add '-2Q2' to each side of the equation.
200 + -2Q2 = 2Q2 + -2Q2

Combine like terms: 2Q2 + -2Q2 = 0
200 + -2Q2 = 0

Add '-200' to each side of the equation.
200 + -200 + -2Q2 = 0 + -200

Combine like terms: 200 + -200 = 0
0 + -2Q2 = 0 + -200
-2Q2 = 0 + -200

Combine like terms: 0 + -200 = -200
-2Q2 = -200

Divide each side by '-2'.
Q2 = 100

Simplifying
Q2 = 100

Take the square root of each side:
Q = {-10, 10}