b^2*2-5=0

Solution for b^2*2-5=0 equation:

Simplifying
b2 * 2 + -5 = 0

Reorder the terms for easier multiplication:
2b2 + -5 = 0

Reorder the terms:
-5 + 2b2 = 0

Solving
-5 + 2b2 = 0

Solving for variable 'b'.

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

Add '5' to each side of the equation.
-5 + 5 + 2b2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 2b2 = 0 + 5
2b2 = 0 + 5

Combine like terms: 0 + 5 = 5
2b2 = 5

Divide each side by '2'.
b2 = 2.5

Simplifying
b2 = 2.5

Take the square root of each side:
b = {-1.58113883, 1.58113883}