4(4n+5)(8n+3)=0

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Solution for 4(4n+5)(8n+3)=0 equation:


Simplifying
4(4n + 5)(8n + 3) = 0

Reorder the terms:
4(5 + 4n)(8n + 3) = 0

Reorder the terms:
4(5 + 4n)(3 + 8n) = 0

Multiply (5 + 4n) * (3 + 8n)
4(5(3 + 8n) + 4n * (3 + 8n)) = 0
4((3 * 5 + 8n * 5) + 4n * (3 + 8n)) = 0
4((15 + 40n) + 4n * (3 + 8n)) = 0
4(15 + 40n + (3 * 4n + 8n * 4n)) = 0
4(15 + 40n + (12n + 32n2)) = 0

Combine like terms: 40n + 12n = 52n
4(15 + 52n + 32n2) = 0
(15 * 4 + 52n * 4 + 32n2 * 4) = 0
(60 + 208n + 128n2) = 0

Solving
60 + 208n + 128n2 = 0

Solving for variable 'n'.

Factor out the Greatest Common Factor (GCF), '4'.
4(15 + 52n + 32n2) = 0

Factor a trinomial.
4((5 + 4n)(3 + 8n)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(5 + 4n)' equal to zero and attempt to solve: Simplifying 5 + 4n = 0 Solving 5 + 4n = 0 Move all terms containing n to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 4n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 4n = 0 + -5 4n = 0 + -5 Combine like terms: 0 + -5 = -5 4n = -5 Divide each side by '4'. n = -1.25 Simplifying n = -1.25

Subproblem 2

Set the factor '(3 + 8n)' equal to zero and attempt to solve: Simplifying 3 + 8n = 0 Solving 3 + 8n = 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 + 8n = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 8n = 0 + -3 8n = 0 + -3 Combine like terms: 0 + -3 = -3 8n = -3 Divide each side by '8'. n = -0.375 Simplifying n = -0.375

Solution

n = {-1.25, -0.375}

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