2.5x^2-6x+22=0

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Solution for 2.5x^2-6x+22=0 equation:


Simplifying
2.5x2 + -6x + 22 = 0

Reorder the terms:
22 + -6x + 2.5x2 = 0

Solving
22 + -6x + 2.5x2 = 0

Solving for variable 'x'.

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

Divide each side by '2.5'.
8.8 + -2.4x + x2 = 0

Move the constant term to the right:

Add '-8.8' to each side of the equation.
8.8 + -2.4x + -8.8 + x2 = 0 + -8.8

Reorder the terms:
8.8 + -8.8 + -2.4x + x2 = 0 + -8.8

Combine like terms: 8.8 + -8.8 = 0.0
0.0 + -2.4x + x2 = 0 + -8.8
-2.4x + x2 = 0 + -8.8

Combine like terms: 0 + -8.8 = -8.8
-2.4x + x2 = -8.8

The x term is -2.4x.  Take half its coefficient (-1.2).
Square it (1.44) and add it to both sides.

Add '1.44' to each side of the equation.
-2.4x + 1.44 + x2 = -8.8 + 1.44

Reorder the terms:
1.44 + -2.4x + x2 = -8.8 + 1.44

Combine like terms: -8.8 + 1.44 = -7.36
1.44 + -2.4x + x2 = -7.36

Factor a perfect square on the left side:
(x + -1.2)(x + -1.2) = -7.36

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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