(-x-3)(-x-3)=0

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Solution for (-x-3)(-x-3)=0 equation:


Simplifying
(-1x + -3)(-1x + -3) = 0

Reorder the terms:
(-3 + -1x)(-1x + -3) = 0

Reorder the terms:
(-3 + -1x)(-3 + -1x) = 0

Multiply (-3 + -1x) * (-3 + -1x)
(-3(-3 + -1x) + -1x * (-3 + -1x)) = 0
((-3 * -3 + -1x * -3) + -1x * (-3 + -1x)) = 0
((9 + 3x) + -1x * (-3 + -1x)) = 0
(9 + 3x + (-3 * -1x + -1x * -1x)) = 0
(9 + 3x + (3x + 1x2)) = 0

Combine like terms: 3x + 3x = 6x
(9 + 6x + 1x2) = 0

Solving
9 + 6x + 1x2 = 0

Solving for variable 'x'.

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

Subproblem 1

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

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 = {-3, -3}

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