9n^2=10-3n+8n^2

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Solution for 9n^2=10-3n+8n^2 equation:


Simplifying
9n2 = 10 + -3n + 8n2

Solving
9n2 = 10 + -3n + 8n2

Solving for variable 'n'.

Reorder the terms:
-10 + 3n + 9n2 + -8n2 = 10 + -3n + 8n2 + -10 + 3n + -8n2

Combine like terms: 9n2 + -8n2 = 1n2
-10 + 3n + 1n2 = 10 + -3n + 8n2 + -10 + 3n + -8n2

Reorder the terms:
-10 + 3n + 1n2 = 10 + -10 + -3n + 3n + 8n2 + -8n2

Combine like terms: 10 + -10 = 0
-10 + 3n + 1n2 = 0 + -3n + 3n + 8n2 + -8n2
-10 + 3n + 1n2 = -3n + 3n + 8n2 + -8n2

Combine like terms: -3n + 3n = 0
-10 + 3n + 1n2 = 0 + 8n2 + -8n2
-10 + 3n + 1n2 = 8n2 + -8n2

Combine like terms: 8n2 + -8n2 = 0
-10 + 3n + 1n2 = 0

Factor a trinomial.
(-5 + -1n)(2 + -1n) = 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 '(2 + -1n)' equal to zero and attempt to solve: Simplifying 2 + -1n = 0 Solving 2 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1n = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1n = 0 + -2 -1n = 0 + -2 Combine like terms: 0 + -2 = -2 -1n = -2 Divide each side by '-1'. n = 2 Simplifying n = 2

Solution

n = {-5, 2}

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