7n^2+74n+40=0

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Solution for 7n^2+74n+40=0 equation:


Simplifying
7n2 + 74n + 40 = 0

Reorder the terms:
40 + 74n + 7n2 = 0

Solving
40 + 74n + 7n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(10 + n)(4 + 7n) = 0

Subproblem 1

Set the factor '(10 + n)' equal to zero and attempt to solve: Simplifying 10 + n = 0 Solving 10 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + n = 0 + -10 Combine like terms: 10 + -10 = 0 0 + n = 0 + -10 n = 0 + -10 Combine like terms: 0 + -10 = -10 n = -10 Simplifying n = -10

Subproblem 2

Set the factor '(4 + 7n)' equal to zero and attempt to solve: Simplifying 4 + 7n = 0 Solving 4 + 7n = 0 Move all terms containing n to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 7n = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 7n = 0 + -4 7n = 0 + -4 Combine like terms: 0 + -4 = -4 7n = -4 Divide each side by '7'. n = -0.5714285714 Simplifying n = -0.5714285714

Solution

n = {-10, -0.5714285714}

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