8n^2-15n+9=2n^2

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Solution for 8n^2-15n+9=2n^2 equation:


Simplifying
8n2 + -15n + 9 = 2n2

Reorder the terms:
9 + -15n + 8n2 = 2n2

Solving
9 + -15n + 8n2 = 2n2

Solving for variable 'n'.

Combine like terms: 8n2 + -2n2 = 6n2
9 + -15n + 6n2 = 2n2 + -2n2

Combine like terms: 2n2 + -2n2 = 0
9 + -15n + 6n2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(3 + -5n + 2n2) = 0

Factor a trinomial.
3((1 + -1n)(3 + -2n)) = 0

Ignore the factor 3.

Subproblem 1

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

Subproblem 2

Set the factor '(3 + -2n)' equal to zero and attempt to solve: Simplifying 3 + -2n = 0 Solving 3 + -2n = 0 Move all terms containing n to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2n = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2n = 0 + -3 -2n = 0 + -3 Combine like terms: 0 + -3 = -3 -2n = -3 Divide each side by '-2'. n = 1.5 Simplifying n = 1.5

Solution

n = {1, 1.5}

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