4n^2-8n-77=0

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Solution for 4n^2-8n-77=0 equation:


Simplifying
4n2 + -8n + -77 = 0

Reorder the terms:
-77 + -8n + 4n2 = 0

Solving
-77 + -8n + 4n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-7 + -2n)(11 + -2n) = 0

Subproblem 1

Set the factor '(-7 + -2n)' equal to zero and attempt to solve: Simplifying -7 + -2n = 0 Solving -7 + -2n = 0 Move all terms containing n to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -2n = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2n = 0 + 7 -2n = 0 + 7 Combine like terms: 0 + 7 = 7 -2n = 7 Divide each side by '-2'. n = -3.5 Simplifying n = -3.5

Subproblem 2

Set the factor '(11 + -2n)' equal to zero and attempt to solve: Simplifying 11 + -2n = 0 Solving 11 + -2n = 0 Move all terms containing n to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -2n = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -2n = 0 + -11 -2n = 0 + -11 Combine like terms: 0 + -11 = -11 -2n = -11 Divide each side by '-2'. n = 5.5 Simplifying n = 5.5

Solution

n = {-3.5, 5.5}

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