-n^2-25-5n=-2n^2-5n

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Solution for -n^2-25-5n=-2n^2-5n equation: 


Simplifying
-1n2 + -25 + -5n = -2n2 + -5n

Reorder the terms:
-25 + -5n + -1n2 = -2n2 + -5n

Reorder the terms:
-25 + -5n + -1n2 = -5n + -2n2

Add '5n' to each side of the equation.
-25 + -5n + 5n + -1n2 = -5n + 5n + -2n2

Combine like terms: -5n + 5n = 0
-25 + 0 + -1n2 = -5n + 5n + -2n2
-25 + -1n2 = -5n + 5n + -2n2

Combine like terms: -5n + 5n = 0
-25 + -1n2 = 0 + -2n2
-25 + -1n2 = -2n2

Solving
-25 + -1n2 = -2n2

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '2n2' to each side of the equation.
-25 + -1n2 + 2n2 = -2n2 + 2n2

Combine like terms: -1n2 + 2n2 = 1n2
-25 + 1n2 = -2n2 + 2n2

Combine like terms: -2n2 + 2n2 = 0
-25 + 1n2 = 0

Add '25' to each side of the equation.
-25 + 25 + 1n2 = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 1n2 = 0 + 25
1n2 = 0 + 25

Combine like terms: 0 + 25 = 25
1n2 = 25

Divide each side by '1'.
n2 = 25

Simplifying
n2 = 25

Take the square root of each side:
n = {-5, 5}

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