8x^2+144x+648+4=x

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Solution for 8x^2+144x+648+4=x equation:


Simplifying
8x2 + 144x + 648 + 4 = x

Reorder the terms:
648 + 4 + 144x + 8x2 = x

Combine like terms: 648 + 4 = 652
652 + 144x + 8x2 = x

Solving
652 + 144x + 8x2 = x

Solving for variable 'x'.

Reorder the terms:
652 + 144x + -1x + 8x2 = x + -1x

Combine like terms: 144x + -1x = 143x
652 + 143x + 8x2 = x + -1x

Combine like terms: x + -1x = 0
652 + 143x + 8x2 = 0

Begin completing the square.  Divide all terms by
8 the coefficient of the squared term: 

Divide each side by '8'.
81.5 + 17.875x + x2 = 0

Move the constant term to the right:

Add '-81.5' to each side of the equation.
81.5 + 17.875x + -81.5 + x2 = 0 + -81.5

Reorder the terms:
81.5 + -81.5 + 17.875x + x2 = 0 + -81.5

Combine like terms: 81.5 + -81.5 = 0.0
0.0 + 17.875x + x2 = 0 + -81.5
17.875x + x2 = 0 + -81.5

Combine like terms: 0 + -81.5 = -81.5
17.875x + x2 = -81.5

The x term is 17.875x.  Take half its coefficient (8.9375).
Square it (79.87890625) and add it to both sides.

Add '79.87890625' to each side of the equation.
17.875x + 79.87890625 + x2 = -81.5 + 79.87890625

Reorder the terms:
79.87890625 + 17.875x + x2 = -81.5 + 79.87890625

Combine like terms: -81.5 + 79.87890625 = -1.62109375
79.87890625 + 17.875x + x2 = -1.62109375

Factor a perfect square on the left side:
(x + 8.9375)(x + 8.9375) = -1.62109375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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