5n^2+42n=-49

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Solution for 5n^2+42n=-49 equation:


Simplifying
5n2 + 42n = -49

Reorder the terms:
42n + 5n2 = -49

Solving
42n + 5n2 = -49

Solving for variable 'n'.

Reorder the terms:
49 + 42n + 5n2 = -49 + 49

Combine like terms: -49 + 49 = 0
49 + 42n + 5n2 = 0

Factor a trinomial.
(7 + n)(7 + 5n) = 0

Subproblem 1

Set the factor '(7 + n)' equal to zero and attempt to solve: Simplifying 7 + n = 0 Solving 7 + n = 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 + n = 0 + -7 Combine like terms: 7 + -7 = 0 0 + n = 0 + -7 n = 0 + -7 Combine like terms: 0 + -7 = -7 n = -7 Simplifying n = -7

Subproblem 2

Set the factor '(7 + 5n)' equal to zero and attempt to solve: Simplifying 7 + 5n = 0 Solving 7 + 5n = 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 + 5n = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 5n = 0 + -7 5n = 0 + -7 Combine like terms: 0 + -7 = -7 5n = -7 Divide each side by '5'. n = -1.4 Simplifying n = -1.4

Solution

n = {-7, -1.4}

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