n^2-24n-36=0

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Solution for n^2-24n-36=0 equation:


Simplifying
n2 + -24n + -36 = 0

Reorder the terms:
-36 + -24n + n2 = 0

Solving
-36 + -24n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '36' to each side of the equation.
-36 + -24n + 36 + n2 = 0 + 36

Reorder the terms:
-36 + 36 + -24n + n2 = 0 + 36

Combine like terms: -36 + 36 = 0
0 + -24n + n2 = 0 + 36
-24n + n2 = 0 + 36

Combine like terms: 0 + 36 = 36
-24n + n2 = 36

The n term is -24n.  Take half its coefficient (-12).
Square it (144) and add it to both sides.

Add '144' to each side of the equation.
-24n + 144 + n2 = 36 + 144

Reorder the terms:
144 + -24n + n2 = 36 + 144

Combine like terms: 36 + 144 = 180
144 + -24n + n2 = 180

Factor a perfect square on the left side:
(n + -12)(n + -12) = 180

Calculate the square root of the right side: 13.416407865

Break this problem into two subproblems by setting 
(n + -12) equal to 13.416407865 and -13.416407865.

Subproblem 1

n + -12 = 13.416407865 Simplifying n + -12 = 13.416407865 Reorder the terms: -12 + n = 13.416407865 Solving -12 + n = 13.416407865 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + n = 13.416407865 + 12 Combine like terms: -12 + 12 = 0 0 + n = 13.416407865 + 12 n = 13.416407865 + 12 Combine like terms: 13.416407865 + 12 = 25.416407865 n = 25.416407865 Simplifying n = 25.416407865

Subproblem 2

n + -12 = -13.416407865 Simplifying n + -12 = -13.416407865 Reorder the terms: -12 + n = -13.416407865 Solving -12 + n = -13.416407865 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + n = -13.416407865 + 12 Combine like terms: -12 + 12 = 0 0 + n = -13.416407865 + 12 n = -13.416407865 + 12 Combine like terms: -13.416407865 + 12 = -1.416407865 n = -1.416407865 Simplifying n = -1.416407865

Solution

The solution to the problem is based on the solutions from the subproblems. n = {25.416407865, -1.416407865}

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