(x+3)(x+6)=

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Solution for (x+3)(x+6)= equation:


Simplifying
(x + 3)(x + 6) = 0

Reorder the terms:
(3 + x)(x + 6) = 0

Reorder the terms:
(3 + x)(6 + x) = 0

Multiply (3 + x) * (6 + x)
(3(6 + x) + x(6 + x)) = 0
((6 * 3 + x * 3) + x(6 + x)) = 0
((18 + 3x) + x(6 + x)) = 0
(18 + 3x + (6 * x + x * x)) = 0
(18 + 3x + (6x + x2)) = 0

Combine like terms: 3x + 6x = 9x
(18 + 9x + x2) = 0

Solving
18 + 9x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(6 + x)(3 + x) = 0

Subproblem 1

Set the factor '(6 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Subproblem 2

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

Solution

x = {-6, -3}

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