21m^2-58m-40=0

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Solution for 21m^2-58m-40=0 equation:


Simplifying
21m2 + -58m + -40 = 0

Reorder the terms:
-40 + -58m + 21m2 = 0

Solving
-40 + -58m + 21m2 = 0

Solving for variable 'm'.

Factor a trinomial.
(-4 + -7m)(10 + -3m) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(10 + -3m)' equal to zero and attempt to solve: Simplifying 10 + -3m = 0 Solving 10 + -3m = 0 Move all terms containing m to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -3m = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -3m = 0 + -10 -3m = 0 + -10 Combine like terms: 0 + -10 = -10 -3m = -10 Divide each side by '-3'. m = 3.333333333 Simplifying m = 3.333333333

Solution

m = {-0.5714285714, 3.333333333}

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