-7m^2-2m-28=-8m^2-4

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Solution for -7m^2-2m-28=-8m^2-4 equation:


Simplifying
-7m2 + -2m + -28 = -8m2 + -4

Reorder the terms:
-28 + -2m + -7m2 = -8m2 + -4

Reorder the terms:
-28 + -2m + -7m2 = -4 + -8m2

Solving
-28 + -2m + -7m2 = -4 + -8m2

Solving for variable 'm'.

Reorder the terms:
-28 + 4 + -2m + -7m2 + 8m2 = -4 + -8m2 + 4 + 8m2

Combine like terms: -28 + 4 = -24
-24 + -2m + -7m2 + 8m2 = -4 + -8m2 + 4 + 8m2

Combine like terms: -7m2 + 8m2 = 1m2
-24 + -2m + 1m2 = -4 + -8m2 + 4 + 8m2

Reorder the terms:
-24 + -2m + 1m2 = -4 + 4 + -8m2 + 8m2

Combine like terms: -4 + 4 = 0
-24 + -2m + 1m2 = 0 + -8m2 + 8m2
-24 + -2m + 1m2 = -8m2 + 8m2

Combine like terms: -8m2 + 8m2 = 0
-24 + -2m + 1m2 = 0

Factor a trinomial.
(-4 + -1m)(6 + -1m) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(6 + -1m)' equal to zero and attempt to solve: Simplifying 6 + -1m = 0 Solving 6 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1m = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1m = 0 + -6 -1m = 0 + -6 Combine like terms: 0 + -6 = -6 -1m = -6 Divide each side by '-1'. m = 6 Simplifying m = 6

Solution

m = {-4, 6}

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