(x+7)(x+7)=-25

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Solution for (x+7)(x+7)=-25 equation:


Simplifying
(x + 7)(x + 7) = -25

Reorder the terms:
(7 + x)(x + 7) = -25

Reorder the terms:
(7 + x)(7 + x) = -25

Multiply (7 + x) * (7 + x)
(7(7 + x) + x(7 + x)) = -25
((7 * 7 + x * 7) + x(7 + x)) = -25
((49 + 7x) + x(7 + x)) = -25
(49 + 7x + (7 * x + x * x)) = -25
(49 + 7x + (7x + x2)) = -25

Combine like terms: 7x + 7x = 14x
(49 + 14x + x2) = -25

Solving
49 + 14x + x2 = -25

Solving for variable 'x'.

Reorder the terms:
49 + 25 + 14x + x2 = -25 + 25

Combine like terms: 49 + 25 = 74
74 + 14x + x2 = -25 + 25

Combine like terms: -25 + 25 = 0
74 + 14x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-74' to each side of the equation.
74 + 14x + -74 + x2 = 0 + -74

Reorder the terms:
74 + -74 + 14x + x2 = 0 + -74

Combine like terms: 74 + -74 = 0
0 + 14x + x2 = 0 + -74
14x + x2 = 0 + -74

Combine like terms: 0 + -74 = -74
14x + x2 = -74

The x term is 14x.  Take half its coefficient (7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
14x + 49 + x2 = -74 + 49

Reorder the terms:
49 + 14x + x2 = -74 + 49

Combine like terms: -74 + 49 = -25
49 + 14x + x2 = -25

Factor a perfect square on the left side:
(x + 7)(x + 7) = -25

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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