(c+3)(c+7)=

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Solution for (c+3)(c+7)= equation:


Simplifying
(c + 3)(c + 7) = 0

Reorder the terms:
(3 + c)(c + 7) = 0

Reorder the terms:
(3 + c)(7 + c) = 0

Multiply (3 + c) * (7 + c)
(3(7 + c) + c(7 + c)) = 0
((7 * 3 + c * 3) + c(7 + c)) = 0
((21 + 3c) + c(7 + c)) = 0
(21 + 3c + (7 * c + c * c)) = 0
(21 + 3c + (7c + c2)) = 0

Combine like terms: 3c + 7c = 10c
(21 + 10c + c2) = 0

Solving
21 + 10c + c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(7 + c)(3 + c) = 0

Subproblem 1

Set the factor '(7 + c)' equal to zero and attempt to solve: Simplifying 7 + c = 0 Solving 7 + c = 0 Move all terms containing c to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + c = 0 + -7 Combine like terms: 7 + -7 = 0 0 + c = 0 + -7 c = 0 + -7 Combine like terms: 0 + -7 = -7 c = -7 Simplifying c = -7

Subproblem 2

Set the factor '(3 + c)' equal to zero and attempt to solve: Simplifying 3 + c = 0 Solving 3 + c = 0 Move all terms containing c to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + c = 0 + -3 Combine like terms: 3 + -3 = 0 0 + c = 0 + -3 c = 0 + -3 Combine like terms: 0 + -3 = -3 c = -3 Simplifying c = -3

Solution

c = {-7, -3}

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