(x+2)(x+4)=-4

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Solution for (x+2)(x+4)=-4 equation:


Simplifying
(x + 2)(x + 4) = -4

Reorder the terms:
(2 + x)(x + 4) = -4

Reorder the terms:
(2 + x)(4 + x) = -4

Multiply (2 + x) * (4 + x)
(2(4 + x) + x(4 + x)) = -4
((4 * 2 + x * 2) + x(4 + x)) = -4
((8 + 2x) + x(4 + x)) = -4
(8 + 2x + (4 * x + x * x)) = -4
(8 + 2x + (4x + x2)) = -4

Combine like terms: 2x + 4x = 6x
(8 + 6x + x2) = -4

Solving
8 + 6x + x2 = -4

Solving for variable 'x'.

Reorder the terms:
8 + 4 + 6x + x2 = -4 + 4

Combine like terms: 8 + 4 = 12
12 + 6x + x2 = -4 + 4

Combine like terms: -4 + 4 = 0
12 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-12' to each side of the equation.
12 + 6x + -12 + x2 = 0 + -12

Reorder the terms:
12 + -12 + 6x + x2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 6x + x2 = 0 + -12
6x + x2 = 0 + -12

Combine like terms: 0 + -12 = -12
6x + x2 = -12

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = -12 + 9

Reorder the terms:
9 + 6x + x2 = -12 + 9

Combine like terms: -12 + 9 = -3
9 + 6x + x2 = -3

Factor a perfect square on the left side:
(x + 3)(x + 3) = -3

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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