2n^2-25=-5n

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


Simplifying
2n2 + -25 = -5n

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

Solving
-25 + 2n2 = -5n

Solving for variable 'n'.

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

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

Factor a trinomial.
(-5 + -1n)(5 + -2n) = 0

Subproblem 1

Set the factor '(-5 + -1n)' equal to zero and attempt to solve: Simplifying -5 + -1n = 0 Solving -5 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1n = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1n = 0 + 5 -1n = 0 + 5 Combine like terms: 0 + 5 = 5 -1n = 5 Divide each side by '-1'. n = -5 Simplifying n = -5

Subproblem 2

Set the factor '(5 + -2n)' equal to zero and attempt to solve: Simplifying 5 + -2n = 0 Solving 5 + -2n = 0 Move all terms containing n to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2n = 0 + -5 -2n = 0 + -5 Combine like terms: 0 + -5 = -5 -2n = -5 Divide each side by '-2'. n = 2.5 Simplifying n = 2.5

Solution

n = {-5, 2.5}

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