b^2-15b+100=0

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Solution for b^2-15b+100=0 equation:


Simplifying
b2 + -15b + 100 = 0

Reorder the terms:
100 + -15b + b2 = 0

Solving
100 + -15b + b2 = 0

Solving for variable 'b'.

Begin completing the square.

Move the constant term to the right:

Add '-100' to each side of the equation.
100 + -15b + -100 + b2 = 0 + -100

Reorder the terms:
100 + -100 + -15b + b2 = 0 + -100

Combine like terms: 100 + -100 = 0
0 + -15b + b2 = 0 + -100
-15b + b2 = 0 + -100

Combine like terms: 0 + -100 = -100
-15b + b2 = -100

The b term is -15b.  Take half its coefficient (-7.5).
Square it (56.25) and add it to both sides.

Add '56.25' to each side of the equation.
-15b + 56.25 + b2 = -100 + 56.25

Reorder the terms:
56.25 + -15b + b2 = -100 + 56.25

Combine like terms: -100 + 56.25 = -43.75
56.25 + -15b + b2 = -43.75

Factor a perfect square on the left side:
(b + -7.5)(b + -7.5) = -43.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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