n^2+74=8n

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Solution for n^2+74=8n equation:


Simplifying
n2 + 74 = 8n

Reorder the terms:
74 + n2 = 8n

Solving
74 + n2 = 8n

Solving for variable 'n'.

Reorder the terms:
74 + -8n + n2 = 8n + -8n

Combine like terms: 8n + -8n = 0
74 + -8n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-74' to each side of the equation.
74 + -8n + -74 + n2 = 0 + -74

Reorder the terms:
74 + -74 + -8n + n2 = 0 + -74

Combine like terms: 74 + -74 = 0
0 + -8n + n2 = 0 + -74
-8n + n2 = 0 + -74

Combine like terms: 0 + -74 = -74
-8n + n2 = -74

The n term is -8n.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8n + 16 + n2 = -74 + 16

Reorder the terms:
16 + -8n + n2 = -74 + 16

Combine like terms: -74 + 16 = -58
16 + -8n + n2 = -58

Factor a perfect square on the left side:
(n + -4)(n + -4) = -58

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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