9=x^2+4x+4

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Solution for 9=x^2+4x+4 equation:


Simplifying
9 = x2 + 4x + 4

Reorder the terms:
9 = 4 + 4x + x2

Solving
9 = 4 + 4x + x2

Solving for variable 'x'.

Combine like terms: 9 + -4 = 5
5 + -4x + -1x2 = 4 + 4x + x2 + -4 + -4x + -1x2

Reorder the terms:
5 + -4x + -1x2 = 4 + -4 + 4x + -4x + x2 + -1x2

Combine like terms: 4 + -4 = 0
5 + -4x + -1x2 = 0 + 4x + -4x + x2 + -1x2
5 + -4x + -1x2 = 4x + -4x + x2 + -1x2

Combine like terms: 4x + -4x = 0
5 + -4x + -1x2 = 0 + x2 + -1x2
5 + -4x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
5 + -4x + -1x2 = 0

Factor a trinomial.
(1 + -1x)(5 + x) = 0

Subproblem 1

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

Subproblem 2

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

Solution

x = {1, -5}

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