22-4a+a^2=

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Solution for 22-4a+a^2= equation:


Simplifying
22 + -4a + a2 = 0

Solving
22 + -4a + a2 = 0

Solving for variable 'a'.

Begin completing the square.

Move the constant term to the right:

Add '-22' to each side of the equation.
22 + -4a + -22 + a2 = 0 + -22

Reorder the terms:
22 + -22 + -4a + a2 = 0 + -22

Combine like terms: 22 + -22 = 0
0 + -4a + a2 = 0 + -22
-4a + a2 = 0 + -22

Combine like terms: 0 + -22 = -22
-4a + a2 = -22

The a term is -4a.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4a + 4 + a2 = -22 + 4

Reorder the terms:
4 + -4a + a2 = -22 + 4

Combine like terms: -22 + 4 = -18
4 + -4a + a2 = -18

Factor a perfect square on the left side:
(a + -2)(a + -2) = -18

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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