m^2+21=10m

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Solution for m^2+21=10m equation:


Simplifying
m2 + 21 = 10m

Reorder the terms:
21 + m2 = 10m

Solving
21 + m2 = 10m

Solving for variable 'm'.

Reorder the terms:
21 + -10m + m2 = 10m + -10m

Combine like terms: 10m + -10m = 0
21 + -10m + m2 = 0

Factor a trinomial.
(3 + -1m)(7 + -1m) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -1m)' equal to zero and attempt to solve: Simplifying 7 + -1m = 0 Solving 7 + -1m = 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 + -1m = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1m = 0 + -7 -1m = 0 + -7 Combine like terms: 0 + -7 = -7 -1m = -7 Divide each side by '-1'. m = 7 Simplifying m = 7

Solution

m = {3, 7}

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