0=b^2-4b^2+4

Solution for 0=b^2-4b^2+4 equation:

Simplifying
0 = b2 + -4b2 + 4

Reorder the terms:
0 = 4 + b2 + -4b2

Combine like terms: b2 + -4b2 = -3b2
0 = 4 + -3b2

Solving
0 = 4 + -3b2

Solving for variable 'b'.

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

Add '3b2' to each side of the equation.
0 + 3b2 = 4 + -3b2 + 3b2
Remove the zero:
3b2 = 4 + -3b2 + 3b2

Combine like terms: -3b2 + 3b2 = 0
3b2 = 4 + 0
3b2 = 4

Divide each side by '3'.
b2 = 1.333333333

Simplifying
b2 = 1.333333333

Take the square root of each side:
b = {-1.154700538, 1.154700538}