7n^2-26n-45=0

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Solution for 7n^2-26n-45=0 equation:


Simplifying
7n2 + -26n + -45 = 0

Reorder the terms:
-45 + -26n + 7n2 = 0

Solving
-45 + -26n + 7n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-9 + -7n)(5 + -1n) = 0

Subproblem 1

Set the factor '(-9 + -7n)' equal to zero and attempt to solve: Simplifying -9 + -7n = 0 Solving -9 + -7n = 0 Move all terms containing n to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -7n = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -7n = 0 + 9 -7n = 0 + 9 Combine like terms: 0 + 9 = 9 -7n = 9 Divide each side by '-7'. n = -1.285714286 Simplifying n = -1.285714286

Subproblem 2

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

Solution

n = {-1.285714286, 5}

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