169-4b^2=0

Solution for 169-4b^2=0 equation:

Simplifying
169 + -4b2 = 0

Solving
169 + -4b2 = 0

Solving for variable 'b'.

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

Add '-169' to each side of the equation.
169 + -169 + -4b2 = 0 + -169

Combine like terms: 169 + -169 = 0
0 + -4b2 = 0 + -169
-4b2 = 0 + -169

Combine like terms: 0 + -169 = -169
-4b2 = -169

Divide each side by '-4'.
b2 = 42.25

Simplifying
b2 = 42.25

Take the square root of each side:
b = {-6.5, 6.5}