(A+5)(A+2)=0

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Solution for (A+5)(A+2)=0 equation:


Simplifying
(A + 5)(A + 2) = 0

Reorder the terms:
(5 + A)(A + 2) = 0

Reorder the terms:
(5 + A)(2 + A) = 0

Multiply (5 + A) * (2 + A)
(5(2 + A) + A(2 + A)) = 0
((2 * 5 + A * 5) + A(2 + A)) = 0
((10 + 5A) + A(2 + A)) = 0
(10 + 5A + (2 * A + A * A)) = 0
(10 + 5A + (2A + A2)) = 0

Combine like terms: 5A + 2A = 7A
(10 + 7A + A2) = 0

Solving
10 + 7A + A2 = 0

Solving for variable 'A'.

Factor a trinomial.
(5 + A)(2 + A) = 0

Subproblem 1

Set the factor '(5 + A)' equal to zero and attempt to solve: Simplifying 5 + A = 0 Solving 5 + A = 0 Move all terms containing A to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + A = 0 + -5 Combine like terms: 5 + -5 = 0 0 + A = 0 + -5 A = 0 + -5 Combine like terms: 0 + -5 = -5 A = -5 Simplifying A = -5

Subproblem 2

Set the factor '(2 + A)' equal to zero and attempt to solve: Simplifying 2 + A = 0 Solving 2 + A = 0 Move all terms containing A to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + A = 0 + -2 Combine like terms: 2 + -2 = 0 0 + A = 0 + -2 A = 0 + -2 Combine like terms: 0 + -2 = -2 A = -2 Simplifying A = -2

Solution

A = {-5, -2}

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