0.04x^2+-0.8x+22=0

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Solution for 0.04x^2+-0.8x+22=0 equation:


Simplifying
0.04x2 + -0.8x + 22 = 0

Reorder the terms:
22 + -0.8x + 0.04x2 = 0

Solving
22 + -0.8x + 0.04x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.04'.
550 + -20x + x2 = 0

Move the constant term to the right:

Add '-550' to each side of the equation.
550 + -20x + -550 + x2 = 0 + -550

Reorder the terms:
550 + -550 + -20x + x2 = 0 + -550

Combine like terms: 550 + -550 = 0
0 + -20x + x2 = 0 + -550
-20x + x2 = 0 + -550

Combine like terms: 0 + -550 = -550
-20x + x2 = -550

The x term is -20x.  Take half its coefficient (-10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
-20x + 100 + x2 = -550 + 100

Reorder the terms:
100 + -20x + x2 = -550 + 100

Combine like terms: -550 + 100 = -450
100 + -20x + x2 = -450

Factor a perfect square on the left side:
(x + -10)(x + -10) = -450

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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