8x-65=x^2

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Solution for 8x-65=x^2 equation:


Simplifying
8x + -65 = x2

Reorder the terms:
-65 + 8x = x2

Solving
-65 + 8x = x2

Solving for variable 'x'.

Combine like terms: x2 + -1x2 = 0
-65 + 8x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
65 + -8x + x2 = 0

Move the constant term to the right:

Add '-65' to each side of the equation.
65 + -8x + -65 + x2 = 0 + -65

Reorder the terms:
65 + -65 + -8x + x2 = 0 + -65

Combine like terms: 65 + -65 = 0
0 + -8x + x2 = 0 + -65
-8x + x2 = 0 + -65

Combine like terms: 0 + -65 = -65
-8x + x2 = -65

The x term is -8x.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8x + 16 + x2 = -65 + 16

Reorder the terms:
16 + -8x + x2 = -65 + 16

Combine like terms: -65 + 16 = -49
16 + -8x + x2 = -49

Factor a perfect square on the left side:
(x + -4)(x + -4) = -49

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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