5m^2+4m-112=-7

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Solution for 5m^2+4m-112=-7 equation:


Simplifying
5m2 + 4m + -112 = -7

Reorder the terms:
-112 + 4m + 5m2 = -7

Solving
-112 + 4m + 5m2 = -7

Solving for variable 'm'.

Reorder the terms:
-112 + 7 + 4m + 5m2 = -7 + 7

Combine like terms: -112 + 7 = -105
-105 + 4m + 5m2 = -7 + 7

Combine like terms: -7 + 7 = 0
-105 + 4m + 5m2 = 0

Factor a trinomial.
(-5 + -1m)(21 + -5m) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(21 + -5m)' equal to zero and attempt to solve: Simplifying 21 + -5m = 0 Solving 21 + -5m = 0 Move all terms containing m to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + -21 + -5m = 0 + -21 Combine like terms: 21 + -21 = 0 0 + -5m = 0 + -21 -5m = 0 + -21 Combine like terms: 0 + -21 = -21 -5m = -21 Divide each side by '-5'. m = 4.2 Simplifying m = 4.2

Solution

m = {-5, 4.2}

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