4(5m-1)(m-4)=0

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


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

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

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

Multiply (-1 + 5m) * (-4 + m)
4(-1(-4 + m) + 5m * (-4 + m)) = 0
4((-4 * -1 + m * -1) + 5m * (-4 + m)) = 0
4((4 + -1m) + 5m * (-4 + m)) = 0
4(4 + -1m + (-4 * 5m + m * 5m)) = 0
4(4 + -1m + (-20m + 5m2)) = 0

Combine like terms: -1m + -20m = -21m
4(4 + -21m + 5m2) = 0
(4 * 4 + -21m * 4 + 5m2 * 4) = 0
(16 + -84m + 20m2) = 0

Solving
16 + -84m + 20m2 = 0

Solving for variable 'm'.

Factor out the Greatest Common Factor (GCF), '4'.
4(4 + -21m + 5m2) = 0

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

Ignore the factor 4.

Subproblem 1

Set the factor '(1 + -5m)' equal to zero and attempt to solve: Simplifying 1 + -5m = 0 Solving 1 + -5m = 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 + -5m = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5m = 0 + -1 -5m = 0 + -1 Combine like terms: 0 + -1 = -1 -5m = -1 Divide each side by '-5'. m = 0.2 Simplifying m = 0.2

Subproblem 2

Set the factor '(4 + -1m)' equal to zero and attempt to solve: Simplifying 4 + -1m = 0 Solving 4 + -1m = 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 + -1m = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1m = 0 + -4 -1m = 0 + -4 Combine like terms: 0 + -4 = -4 -1m = -4 Divide each side by '-1'. m = 4 Simplifying m = 4

Solution

m = {0.2, 4}

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