x^2=9x-22

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Solution for x^2=9x-22 equation:


Simplifying
x2 = 9x + -22

Reorder the terms:
x2 = -22 + 9x

Solving
x2 = -22 + 9x

Solving for variable 'x'.

Reorder the terms:
22 + -9x + x2 = -22 + 9x + 22 + -9x

Reorder the terms:
22 + -9x + x2 = -22 + 22 + 9x + -9x

Combine like terms: -22 + 22 = 0
22 + -9x + x2 = 0 + 9x + -9x
22 + -9x + x2 = 9x + -9x

Combine like terms: 9x + -9x = 0
22 + -9x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-22' to each side of the equation.
22 + -9x + -22 + x2 = 0 + -22

Reorder the terms:
22 + -22 + -9x + x2 = 0 + -22

Combine like terms: 22 + -22 = 0
0 + -9x + x2 = 0 + -22
-9x + x2 = 0 + -22

Combine like terms: 0 + -22 = -22
-9x + x2 = -22

The x term is -9x.  Take half its coefficient (-4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
-9x + 20.25 + x2 = -22 + 20.25

Reorder the terms:
20.25 + -9x + x2 = -22 + 20.25

Combine like terms: -22 + 20.25 = -1.75
20.25 + -9x + x2 = -1.75

Factor a perfect square on the left side:
(x + -4.5)(x + -4.5) = -1.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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