(x-7)(x-7)=-3x

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Solution for (x-7)(x-7)=-3x equation:


Simplifying
(x + -7)(x + -7) = -3x

Reorder the terms:
(-7 + x)(x + -7) = -3x

Reorder the terms:
(-7 + x)(-7 + x) = -3x

Multiply (-7 + x) * (-7 + x)
(-7(-7 + x) + x(-7 + x)) = -3x
((-7 * -7 + x * -7) + x(-7 + x)) = -3x
((49 + -7x) + x(-7 + x)) = -3x
(49 + -7x + (-7 * x + x * x)) = -3x
(49 + -7x + (-7x + x2)) = -3x

Combine like terms: -7x + -7x = -14x
(49 + -14x + x2) = -3x

Solving
49 + -14x + x2 = -3x

Solving for variable 'x'.

Reorder the terms:
49 + -14x + 3x + x2 = -3x + 3x

Combine like terms: -14x + 3x = -11x
49 + -11x + x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
49 + -11x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-49' to each side of the equation.
49 + -11x + -49 + x2 = 0 + -49

Reorder the terms:
49 + -49 + -11x + x2 = 0 + -49

Combine like terms: 49 + -49 = 0
0 + -11x + x2 = 0 + -49
-11x + x2 = 0 + -49

Combine like terms: 0 + -49 = -49
-11x + x2 = -49

The x term is -11x.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11x + 30.25 + x2 = -49 + 30.25

Reorder the terms:
30.25 + -11x + x2 = -49 + 30.25

Combine like terms: -49 + 30.25 = -18.75
30.25 + -11x + x2 = -18.75

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = -18.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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