n^2-16n+94=7

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Solution for n^2-16n+94=7 equation:


Simplifying
n2 + -16n + 94 = 7

Reorder the terms:
94 + -16n + n2 = 7

Solving
94 + -16n + n2 = 7

Solving for variable 'n'.

Reorder the terms:
94 + -7 + -16n + n2 = 7 + -7

Combine like terms: 94 + -7 = 87
87 + -16n + n2 = 7 + -7

Combine like terms: 7 + -7 = 0
87 + -16n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-87' to each side of the equation.
87 + -16n + -87 + n2 = 0 + -87

Reorder the terms:
87 + -87 + -16n + n2 = 0 + -87

Combine like terms: 87 + -87 = 0
0 + -16n + n2 = 0 + -87
-16n + n2 = 0 + -87

Combine like terms: 0 + -87 = -87
-16n + n2 = -87

The n term is -16n.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16n + 64 + n2 = -87 + 64

Reorder the terms:
64 + -16n + n2 = -87 + 64

Combine like terms: -87 + 64 = -23
64 + -16n + n2 = -23

Factor a perfect square on the left side:
(n + -8)(n + -8) = -23

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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