-3n(5n+3)=-24

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Solution for -3n(5n+3)=-24 equation:


Simplifying
-3n(5n + 3) = -24

Reorder the terms:
-3n(3 + 5n) = -24
(3 * -3n + 5n * -3n) = -24
(-9n + -15n2) = -24

Solving
-9n + -15n2 = -24

Solving for variable 'n'.

Reorder the terms:
24 + -9n + -15n2 = -24 + 24

Combine like terms: -24 + 24 = 0
24 + -9n + -15n2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(8 + -3n + -5n2) = 0

Factor a trinomial.
3((1 + -1n)(8 + 5n)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(1 + -1n)' equal to zero and attempt to solve: Simplifying 1 + -1n = 0 Solving 1 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1n = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1n = 0 + -1 -1n = 0 + -1 Combine like terms: 0 + -1 = -1 -1n = -1 Divide each side by '-1'. n = 1 Simplifying n = 1

Subproblem 2

Set the factor '(8 + 5n)' equal to zero and attempt to solve: Simplifying 8 + 5n = 0 Solving 8 + 5n = 0 Move all terms containing n to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 5n = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 5n = 0 + -8 5n = 0 + -8 Combine like terms: 0 + -8 = -8 5n = -8 Divide each side by '5'. n = -1.6 Simplifying n = -1.6

Solution

n = {1, -1.6}

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