-7n-9n(n-5)=

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Solution for -7n-9n(n-5)= equation:


Simplifying
-7n + -9n(n + -5) = 0

Reorder the terms:
-7n + -9n(-5 + n) = 0
-7n + (-5 * -9n + n * -9n) = 0
-7n + (45n + -9n2) = 0

Combine like terms: -7n + 45n = 38n
38n + -9n2 = 0

Solving
38n + -9n2 = 0

Solving for variable 'n'.

Factor out the Greatest Common Factor (GCF), 'n'.
n(38 + -9n) = 0

Subproblem 1

Set the factor 'n' equal to zero and attempt to solve: Simplifying n = 0 Solving n = 0 Move all terms containing n to the left, all other terms to the right. Simplifying n = 0

Subproblem 2

Set the factor '(38 + -9n)' equal to zero and attempt to solve: Simplifying 38 + -9n = 0 Solving 38 + -9n = 0 Move all terms containing n to the left, all other terms to the right. Add '-38' to each side of the equation. 38 + -38 + -9n = 0 + -38 Combine like terms: 38 + -38 = 0 0 + -9n = 0 + -38 -9n = 0 + -38 Combine like terms: 0 + -38 = -38 -9n = -38 Divide each side by '-9'. n = 4.222222222 Simplifying n = 4.222222222

Solution

n = {0, 4.222222222}

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