b^2-4-5-8=

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Solution for b^2-4-5-8= equation: 


Simplifying
b2 + -4 + -5 + -8 = 0

Reorder the terms:
-4 + -5 + -8 + b2 = 0

Combine like terms: -4 + -5 = -9
-9 + -8 + b2 = 0

Combine like terms: -9 + -8 = -17
-17 + b2 = 0

Solving
-17 + b2 = 0

Solving for variable 'b'.

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

Add '17' to each side of the equation.
-17 + 17 + b2 = 0 + 17

Combine like terms: -17 + 17 = 0
0 + b2 = 0 + 17
b2 = 0 + 17

Combine like terms: 0 + 17 = 17
b2 = 17

Simplifying
b2 = 17

Take the square root of each side:
b = {-4.123105626, 4.123105626}

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