90=2v^2

Solution for 90=2v^2 equation:

Simplifying
90 = 2v2

Solving
90 = 2v2

Solving for variable 'v'.

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

Add '-2v2' to each side of the equation.
90 + -2v2 = 2v2 + -2v2

Combine like terms: 2v2 + -2v2 = 0
90 + -2v2 = 0

Add '-90' to each side of the equation.
90 + -90 + -2v2 = 0 + -90

Combine like terms: 90 + -90 = 0
0 + -2v2 = 0 + -90
-2v2 = 0 + -90

Combine like terms: 0 + -90 = -90
-2v2 = -90

Divide each side by '-2'.
v2 = 45

Simplifying
v2 = 45

Take the square root of each side:
v = {-6.708203933, 6.708203933}