-2n(5n-9)=0

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Solution for -2n(5n-9)=0 equation: 


Simplifying
-2n(5n + -9) = 0

Reorder the terms:
-2n(-9 + 5n) = 0
(-9 * -2n + 5n * -2n) = 0
(18n + -10n2) = 0

Solving
18n + -10n2 = 0

Solving for variable 'n'.

Factor out the Greatest Common Factor (GCF), '2n'.
2n(9 + -5n) = 0

Ignore the factor 2.

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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