(m+5)(m-9)=0

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Solution for (m+5)(m-9)=0 equation:


Simplifying
(m + 5)(m + -9) = 0

Reorder the terms:
(5 + m)(m + -9) = 0

Reorder the terms:
(5 + m)(-9 + m) = 0

Multiply (5 + m) * (-9 + m)
(5(-9 + m) + m(-9 + m)) = 0
((-9 * 5 + m * 5) + m(-9 + m)) = 0
((-45 + 5m) + m(-9 + m)) = 0
(-45 + 5m + (-9 * m + m * m)) = 0
(-45 + 5m + (-9m + m2)) = 0

Combine like terms: 5m + -9m = -4m
(-45 + -4m + m2) = 0

Solving
-45 + -4m + m2 = 0

Solving for variable 'm'.

Factor a trinomial.
(-5 + -1m)(9 + -1m) = 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 '(9 + -1m)' equal to zero and attempt to solve: Simplifying 9 + -1m = 0 Solving 9 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1m = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1m = 0 + -9 -1m = 0 + -9 Combine like terms: 0 + -9 = -9 -1m = -9 Divide each side by '-1'. m = 9 Simplifying m = 9

Solution

m = {-5, 9}

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