81+8x+(x^2)=8+2x

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Solution for 81+8x+(x^2)=8+2x equation:


Simplifying
81 + 8x + (x2) = 8 + 2x
81 + 8x + x2 = 8 + 2x

Solving
81 + 8x + x2 = 8 + 2x

Solving for variable 'x'.

Reorder the terms:
81 + -8 + 8x + -2x + x2 = 8 + 2x + -8 + -2x

Combine like terms: 81 + -8 = 73
73 + 8x + -2x + x2 = 8 + 2x + -8 + -2x

Combine like terms: 8x + -2x = 6x
73 + 6x + x2 = 8 + 2x + -8 + -2x

Reorder the terms:
73 + 6x + x2 = 8 + -8 + 2x + -2x

Combine like terms: 8 + -8 = 0
73 + 6x + x2 = 0 + 2x + -2x
73 + 6x + x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
73 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-73' to each side of the equation.
73 + 6x + -73 + x2 = 0 + -73

Reorder the terms:
73 + -73 + 6x + x2 = 0 + -73

Combine like terms: 73 + -73 = 0
0 + 6x + x2 = 0 + -73
6x + x2 = 0 + -73

Combine like terms: 0 + -73 = -73
6x + x2 = -73

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 = -73 + 9

Reorder the terms:
9 + 6x + x2 = -73 + 9

Combine like terms: -73 + 9 = -64
9 + 6x + x2 = -64

Factor a perfect square on the left side:
(x + 3)(x + 3) = -64

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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