b^2-19=0

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Solution for b^2-19=0 equation: 


Simplifying
b2 + -19 = 0

Reorder the terms:
-19 + b2 = 0

Solving
-19 + b2 = 0

Solving for variable 'b'.

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

Add '19' to each side of the equation.
-19 + 19 + b2 = 0 + 19

Combine like terms: -19 + 19 = 0
0 + b2 = 0 + 19
b2 = 0 + 19

Combine like terms: 0 + 19 = 19
b2 = 19

Simplifying
b2 = 19

Take the square root of each side:
b = {-4.358898944, 4.358898944}

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