4m^2+21m+5=0

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Solution for 4m^2+21m+5=0 equation:


Simplifying
4m2 + 21m + 5 = 0

Reorder the terms:
5 + 21m + 4m2 = 0

Solving
5 + 21m + 4m2 = 0

Solving for variable 'm'.

Factor a trinomial.
(5 + m)(1 + 4m) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(1 + 4m)' equal to zero and attempt to solve: Simplifying 1 + 4m = 0 Solving 1 + 4m = 0 Move all terms containing m to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 4m = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 4m = 0 + -1 4m = 0 + -1 Combine like terms: 0 + -1 = -1 4m = -1 Divide each side by '4'. m = -0.25 Simplifying m = -0.25

Solution

m = {-5, -0.25}

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