9b^2+3=390

Solution for 9b^2+3=390 equation:

Simplifying
9b2 + 3 = 390

Reorder the terms:
3 + 9b2 = 390

Solving
3 + 9b2 = 390

Solving for variable 'b'.

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

Add '-3' to each side of the equation.
3 + -3 + 9b2 = 390 + -3

Combine like terms: 3 + -3 = 0
0 + 9b2 = 390 + -3
9b2 = 390 + -3

Combine like terms: 390 + -3 = 387
9b2 = 387

Divide each side by '9'.
b2 = 43

Simplifying
b2 = 43

Take the square root of each side:
b = {-6.557438524, 6.557438524}