2m^2-m=15

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Solution for 2m^2-m=15 equation:


Simplifying
2m2 + -1m = 15

Reorder the terms:
-1m + 2m2 = 15

Solving
-1m + 2m2 = 15

Solving for variable 'm'.

Reorder the terms:
-15 + -1m + 2m2 = 15 + -15

Combine like terms: 15 + -15 = 0
-15 + -1m + 2m2 = 0

Factor a trinomial.
(-5 + -2m)(3 + -1m) = 0

Subproblem 1

Set the factor '(-5 + -2m)' equal to zero and attempt to solve: Simplifying -5 + -2m = 0 Solving -5 + -2m = 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 + -2m = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2m = 0 + 5 -2m = 0 + 5 Combine like terms: 0 + 5 = 5 -2m = 5 Divide each side by '-2'. m = -2.5 Simplifying m = -2.5

Subproblem 2

Set the factor '(3 + -1m)' equal to zero and attempt to solve: Simplifying 3 + -1m = 0 Solving 3 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1m = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1m = 0 + -3 -1m = 0 + -3 Combine like terms: 0 + -3 = -3 -1m = -3 Divide each side by '-1'. m = 3 Simplifying m = 3

Solution

m = {-2.5, 3}

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