(x+3)(x+3)+289=0

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Solution for (x+3)(x+3)+289=0 equation:


Simplifying
(x + 3)(x + 3) + 289 = 0

Reorder the terms:
(3 + x)(x + 3) + 289 = 0

Reorder the terms:
(3 + x)(3 + x) + 289 = 0

Multiply (3 + x) * (3 + x)
(3(3 + x) + x(3 + x)) + 289 = 0
((3 * 3 + x * 3) + x(3 + x)) + 289 = 0
((9 + 3x) + x(3 + x)) + 289 = 0
(9 + 3x + (3 * x + x * x)) + 289 = 0
(9 + 3x + (3x + x2)) + 289 = 0

Combine like terms: 3x + 3x = 6x
(9 + 6x + x2) + 289 = 0

Reorder the terms:
9 + 289 + 6x + x2 = 0

Combine like terms: 9 + 289 = 298
298 + 6x + x2 = 0

Solving
298 + 6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-298' to each side of the equation.
298 + 6x + -298 + x2 = 0 + -298

Reorder the terms:
298 + -298 + 6x + x2 = 0 + -298

Combine like terms: 298 + -298 = 0
0 + 6x + x2 = 0 + -298
6x + x2 = 0 + -298

Combine like terms: 0 + -298 = -298
6x + x2 = -298

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 = -298 + 9

Reorder the terms:
9 + 6x + x2 = -298 + 9

Combine like terms: -298 + 9 = -289
9 + 6x + x2 = -289

Factor a perfect square on the left side:
(x + 3)(x + 3) = -289

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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