-55n=8-7n^2

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Solution for -55n=8-7n^2 equation:


Simplifying
-55n = 8 + -7n2

Solving
-55n = 8 + -7n2

Solving for variable 'n'.

Reorder the terms:
-8 + -55n + 7n2 = 8 + -7n2 + -8 + 7n2

Reorder the terms:
-8 + -55n + 7n2 = 8 + -8 + -7n2 + 7n2

Combine like terms: 8 + -8 = 0
-8 + -55n + 7n2 = 0 + -7n2 + 7n2
-8 + -55n + 7n2 = -7n2 + 7n2

Combine like terms: -7n2 + 7n2 = 0
-8 + -55n + 7n2 = 0

Factor a trinomial.
(-1 + -7n)(8 + -1n) = 0

Subproblem 1

Set the factor '(-1 + -7n)' equal to zero and attempt to solve: Simplifying -1 + -7n = 0 Solving -1 + -7n = 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 + -7n = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -7n = 0 + 1 -7n = 0 + 1 Combine like terms: 0 + 1 = 1 -7n = 1 Divide each side by '-7'. n = -0.1428571429 Simplifying n = -0.1428571429

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 = {-0.1428571429, 8}

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