(x+3)(x+3)=-28

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Solution for (x+3)(x+3)=-28 equation:


Simplifying
(x + 3)(x + 3) = -28

Reorder the terms:
(3 + x)(x + 3) = -28

Reorder the terms:
(3 + x)(3 + x) = -28

Multiply (3 + x) * (3 + x)
(3(3 + x) + x(3 + x)) = -28
((3 * 3 + x * 3) + x(3 + x)) = -28
((9 + 3x) + x(3 + x)) = -28
(9 + 3x + (3 * x + x * x)) = -28
(9 + 3x + (3x + x2)) = -28

Combine like terms: 3x + 3x = 6x
(9 + 6x + x2) = -28

Solving
9 + 6x + x2 = -28

Solving for variable 'x'.

Reorder the terms:
9 + 28 + 6x + x2 = -28 + 28

Combine like terms: 9 + 28 = 37
37 + 6x + x2 = -28 + 28

Combine like terms: -28 + 28 = 0
37 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-37' to each side of the equation.
37 + 6x + -37 + x2 = 0 + -37

Reorder the terms:
37 + -37 + 6x + x2 = 0 + -37

Combine like terms: 37 + -37 = 0
0 + 6x + x2 = 0 + -37
6x + x2 = 0 + -37

Combine like terms: 0 + -37 = -37
6x + x2 = -37

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 = -37 + 9

Reorder the terms:
9 + 6x + x2 = -37 + 9

Combine like terms: -37 + 9 = -28
9 + 6x + x2 = -28

Factor a perfect square on the left side:
(x + 3)(x + 3) = -28

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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