(c-9)(c+25)=0

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Solution for (c-9)(c+25)=0 equation:


Simplifying
(c + -9)(c + 25) = 0

Reorder the terms:
(-9 + c)(c + 25) = 0

Reorder the terms:
(-9 + c)(25 + c) = 0

Multiply (-9 + c) * (25 + c)
(-9(25 + c) + c(25 + c)) = 0
((25 * -9 + c * -9) + c(25 + c)) = 0
((-225 + -9c) + c(25 + c)) = 0
(-225 + -9c + (25 * c + c * c)) = 0
(-225 + -9c + (25c + c2)) = 0

Combine like terms: -9c + 25c = 16c
(-225 + 16c + c2) = 0

Solving
-225 + 16c + c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(-25 + -1c)(9 + -1c) = 0

Subproblem 1

Set the factor '(-25 + -1c)' equal to zero and attempt to solve: Simplifying -25 + -1c = 0 Solving -25 + -1c = 0 Move all terms containing c to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + -1c = 0 + 25 Combine like terms: -25 + 25 = 0 0 + -1c = 0 + 25 -1c = 0 + 25 Combine like terms: 0 + 25 = 25 -1c = 25 Divide each side by '-1'. c = -25 Simplifying c = -25

Subproblem 2

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

Solution

c = {-25, 9}

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