-4n(5n-9)=0

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Solution for -4n(5n-9)=0 equation:


Simplifying
-4n(5n + -9) = 0

Reorder the terms:
-4n(-9 + 5n) = 0
(-9 * -4n + 5n * -4n) = 0
(36n + -20n2) = 0

Solving
36n + -20n2 = 0

Solving for variable 'n'.

Factor out the Greatest Common Factor (GCF), '4n'.
4n(9 + -5n) = 0

Ignore the factor 4.

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 '(9 + -5n)' equal to zero and attempt to solve: Simplifying 9 + -5n = 0 Solving 9 + -5n = 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 + -5n = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -5n = 0 + -9 -5n = 0 + -9 Combine like terms: 0 + -9 = -9 -5n = -9 Divide each side by '-5'. n = 1.8 Simplifying n = 1.8

Solution

n = {0, 1.8}

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