7n^2-15n+8=6n^2-6n

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Solution for 7n^2-15n+8=6n^2-6n equation:


Simplifying
7n2 + -15n + 8 = 6n2 + -6n

Reorder the terms:
8 + -15n + 7n2 = 6n2 + -6n

Reorder the terms:
8 + -15n + 7n2 = -6n + 6n2

Solving
8 + -15n + 7n2 = -6n + 6n2

Solving for variable 'n'.

Reorder the terms:
8 + -15n + 6n + 7n2 + -6n2 = -6n + 6n2 + 6n + -6n2

Combine like terms: -15n + 6n = -9n
8 + -9n + 7n2 + -6n2 = -6n + 6n2 + 6n + -6n2

Combine like terms: 7n2 + -6n2 = 1n2
8 + -9n + 1n2 = -6n + 6n2 + 6n + -6n2

Reorder the terms:
8 + -9n + 1n2 = -6n + 6n + 6n2 + -6n2

Combine like terms: -6n + 6n = 0
8 + -9n + 1n2 = 0 + 6n2 + -6n2
8 + -9n + 1n2 = 6n2 + -6n2

Combine like terms: 6n2 + -6n2 = 0
8 + -9n + 1n2 = 0

Factor a trinomial.
(1 + -1n)(8 + -1n) = 0

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 '(8 + -1n)' equal to zero and attempt to solve: Simplifying 8 + -1n = 0 Solving 8 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1n = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1n = 0 + -8 -1n = 0 + -8 Combine like terms: 0 + -8 = -8 -1n = -8 Divide each side by '-1'. n = 8 Simplifying n = 8

Solution

n = {1, 8}

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