7n^2-24n=-9

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Solution for 7n^2-24n=-9 equation:


Simplifying
7n2 + -24n = -9

Reorder the terms:
-24n + 7n2 = -9

Solving
-24n + 7n2 = -9

Solving for variable 'n'.

Reorder the terms:
9 + -24n + 7n2 = -9 + 9

Combine like terms: -9 + 9 = 0
9 + -24n + 7n2 = 0

Factor a trinomial.
(3 + -7n)(3 + -1n) = 0

Subproblem 1

Set the factor '(3 + -7n)' equal to zero and attempt to solve: Simplifying 3 + -7n = 0 Solving 3 + -7n = 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 + -7n = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -7n = 0 + -3 -7n = 0 + -3 Combine like terms: 0 + -3 = -3 -7n = -3 Divide each side by '-7'. n = 0.4285714286 Simplifying n = 0.4285714286

Subproblem 2

Set the factor '(3 + -1n)' equal to zero and attempt to solve: Simplifying 3 + -1n = 0 Solving 3 + -1n = 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 + -1n = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1n = 0 + -3 -1n = 0 + -3 Combine like terms: 0 + -3 = -3 -1n = -3 Divide each side by '-1'. n = 3 Simplifying n = 3

Solution

n = {0.4285714286, 3}

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