9n^2-30n=-25

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Solution for 9n^2-30n=-25 equation:


Simplifying
9n2 + -30n = -25

Reorder the terms:
-30n + 9n2 = -25

Solving
-30n + 9n2 = -25

Solving for variable 'n'.

Reorder the terms:
25 + -30n + 9n2 = -25 + 25

Combine like terms: -25 + 25 = 0
25 + -30n + 9n2 = 0

Factor a trinomial.
(5 + -3n)(5 + -3n) = 0

Subproblem 1

Set the factor '(5 + -3n)' equal to zero and attempt to solve: Simplifying 5 + -3n = 0 Solving 5 + -3n = 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 + -3n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3n = 0 + -5 -3n = 0 + -5 Combine like terms: 0 + -5 = -5 -3n = -5 Divide each side by '-3'. n = 1.666666667 Simplifying n = 1.666666667

Subproblem 2

Set the factor '(5 + -3n)' equal to zero and attempt to solve: Simplifying 5 + -3n = 0 Solving 5 + -3n = 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 + -3n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3n = 0 + -5 -3n = 0 + -5 Combine like terms: 0 + -5 = -5 -3n = -5 Divide each side by '-3'. n = 1.666666667 Simplifying n = 1.666666667

Solution

n = {1.666666667, 1.666666667}

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