7m^2-2m-5=0

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Solution for 7m^2-2m-5=0 equation:


Simplifying
7m2 + -2m + -5 = 0

Reorder the terms:
-5 + -2m + 7m2 = 0

Solving
-5 + -2m + 7m2 = 0

Solving for variable 'm'.

Factor a trinomial.
(-5 + -7m)(1 + -1m) = 0

Subproblem 1

Set the factor '(-5 + -7m)' equal to zero and attempt to solve: Simplifying -5 + -7m = 0 Solving -5 + -7m = 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 + -7m = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -7m = 0 + 5 -7m = 0 + 5 Combine like terms: 0 + 5 = 5 -7m = 5 Divide each side by '-7'. m = -0.7142857143 Simplifying m = -0.7142857143

Subproblem 2

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

Solution

m = {-0.7142857143, 1}

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