(2m-1)*(5m+4)=0

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Solution for (2m-1)*(5m+4)=0 equation:


Simplifying
(2m + -1)(5m + 4) = 0

Reorder the terms:
(-1 + 2m)(5m + 4) = 0

Reorder the terms:
(-1 + 2m)(4 + 5m) = 0

Multiply (-1 + 2m) * (4 + 5m)
(-1(4 + 5m) + 2m * (4 + 5m)) = 0
((4 * -1 + 5m * -1) + 2m * (4 + 5m)) = 0
((-4 + -5m) + 2m * (4 + 5m)) = 0
(-4 + -5m + (4 * 2m + 5m * 2m)) = 0
(-4 + -5m + (8m + 10m2)) = 0

Combine like terms: -5m + 8m = 3m
(-4 + 3m + 10m2) = 0

Solving
-4 + 3m + 10m2 = 0

Solving for variable 'm'.

Factor a trinomial.
(-4 + -5m)(1 + -2m) = 0

Subproblem 1

Set the factor '(-4 + -5m)' equal to zero and attempt to solve: Simplifying -4 + -5m = 0 Solving -4 + -5m = 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 + -5m = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -5m = 0 + 4 -5m = 0 + 4 Combine like terms: 0 + 4 = 4 -5m = 4 Divide each side by '-5'. m = -0.8 Simplifying m = -0.8

Subproblem 2

Set the factor '(1 + -2m)' equal to zero and attempt to solve: Simplifying 1 + -2m = 0 Solving 1 + -2m = 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 + -2m = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2m = 0 + -1 -2m = 0 + -1 Combine like terms: 0 + -1 = -1 -2m = -1 Divide each side by '-2'. m = 0.5 Simplifying m = 0.5

Solution

m = {-0.8, 0.5}

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