(x-7)(x-7)+12=0

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Solution for (x-7)(x-7)+12=0 equation:


Simplifying
(x + -7)(x + -7) + 12 = 0

Reorder the terms:
(-7 + x)(x + -7) + 12 = 0

Reorder the terms:
(-7 + x)(-7 + x) + 12 = 0

Multiply (-7 + x) * (-7 + x)
(-7(-7 + x) + x(-7 + x)) + 12 = 0
((-7 * -7 + x * -7) + x(-7 + x)) + 12 = 0
((49 + -7x) + x(-7 + x)) + 12 = 0
(49 + -7x + (-7 * x + x * x)) + 12 = 0
(49 + -7x + (-7x + x2)) + 12 = 0

Combine like terms: -7x + -7x = -14x
(49 + -14x + x2) + 12 = 0

Reorder the terms:
49 + 12 + -14x + x2 = 0

Combine like terms: 49 + 12 = 61
61 + -14x + x2 = 0

Solving
61 + -14x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-61' to each side of the equation.
61 + -14x + -61 + x2 = 0 + -61

Reorder the terms:
61 + -61 + -14x + x2 = 0 + -61

Combine like terms: 61 + -61 = 0
0 + -14x + x2 = 0 + -61
-14x + x2 = 0 + -61

Combine like terms: 0 + -61 = -61
-14x + x2 = -61

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 = -61 + 49

Reorder the terms:
49 + -14x + x2 = -61 + 49

Combine like terms: -61 + 49 = -12
49 + -14x + x2 = -12

Factor a perfect square on the left side:
(x + -7)(x + -7) = -12

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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