10n^2+41n+21=0

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Solution for 10n^2+41n+21=0 equation:


Simplifying
10n2 + 41n + 21 = 0

Reorder the terms:
21 + 41n + 10n2 = 0

Solving
21 + 41n + 10n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(7 + 2n)(3 + 5n) = 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 '(3 + 5n)' equal to zero and attempt to solve: Simplifying 3 + 5n = 0 Solving 3 + 5n = 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 + 5n = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 5n = 0 + -3 5n = 0 + -3 Combine like terms: 0 + -3 = -3 5n = -3 Divide each side by '5'. n = -0.6 Simplifying n = -0.6

Solution

n = {-3.5, -0.6}

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