n^2+30=6n

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Solution for n^2+30=6n equation:


Simplifying
n2 + 30 = 6n

Reorder the terms:
30 + n2 = 6n

Solving
30 + n2 = 6n

Solving for variable 'n'.

Reorder the terms:
30 + -6n + n2 = 6n + -6n

Combine like terms: 6n + -6n = 0
30 + -6n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-30' to each side of the equation.
30 + -6n + -30 + n2 = 0 + -30

Reorder the terms:
30 + -30 + -6n + n2 = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -6n + n2 = 0 + -30
-6n + n2 = 0 + -30

Combine like terms: 0 + -30 = -30
-6n + n2 = -30

The n term is -6n.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6n + 9 + n2 = -30 + 9

Reorder the terms:
9 + -6n + n2 = -30 + 9

Combine like terms: -30 + 9 = -21
9 + -6n + n2 = -21

Factor a perfect square on the left side:
(n + -3)(n + -3) = -21

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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