b^2-8=39

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Solution for b^2-8=39 equation:


Simplifying
b2 + -8 = 39

Reorder the terms:
-8 + b2 = 39

Solving
-8 + b2 = 39

Solving for variable 'b'.

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

Add '8' to each side of the equation.
-8 + 8 + b2 = 39 + 8

Combine like terms: -8 + 8 = 0
0 + b2 = 39 + 8
b2 = 39 + 8

Combine like terms: 39 + 8 = 47
b2 = 47

Simplifying
b2 = 47

Take the square root of each side:
b = {-6.8556546, 6.8556546}

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