2w^2+3-90=0

Solution for 2w^2+3-90=0 equation:

Simplifying
2w2 + 3 + -90 = 0

Reorder the terms:
3 + -90 + 2w2 = 0

Combine like terms: 3 + -90 = -87
-87 + 2w2 = 0

Solving
-87 + 2w2 = 0

Solving for variable 'w'.

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

Add '87' to each side of the equation.
-87 + 87 + 2w2 = 0 + 87

Combine like terms: -87 + 87 = 0
0 + 2w2 = 0 + 87
2w2 = 0 + 87

Combine like terms: 0 + 87 = 87
2w2 = 87

Divide each side by '2'.
w2 = 43.5

Simplifying
w2 = 43.5

Take the square root of each side:
w = {-6.595452979, 6.595452979}