b²-3=0

To solve the equation \( b^2 - 3 = 0 \), follow these steps:

1. Isolate \( b^2 \): \[ b^2 = 3 \]

2. Take the square root of both sides: \[ b = \pm\sqrt{3} \]

So the solutions to the equation \( b^2 - 3 = 0 \) are: \[ b = \sqrt{3} \quad \text{and} \quad b = -\sqrt{3} \]