5m^2-7=2m

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


Simplifying
5m2 + -7 = 2m

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

Solving
-7 + 5m2 = 2m

Solving for variable 'm'.

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

Combine like terms: 2m + -2m = 0
-7 + -2m + 5m2 = 0

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

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -5m)' equal to zero and attempt to solve: Simplifying 7 + -5m = 0 Solving 7 + -5m = 0 Move all terms containing m to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -5m = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -5m = 0 + -7 -5m = 0 + -7 Combine like terms: 0 + -7 = -7 -5m = -7 Divide each side by '-5'. m = 1.4 Simplifying m = 1.4

Solution

m = {-1, 1.4}

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