5x^2-26x+225=0

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Solution for 5x^2-26x+225=0 equation:


Simplifying
5x2 + -26x + 225 = 0

Reorder the terms:
225 + -26x + 5x2 = 0

Solving
225 + -26x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
45 + -5.2x + x2 = 0

Move the constant term to the right:

Add '-45' to each side of the equation.
45 + -5.2x + -45 + x2 = 0 + -45

Reorder the terms:
45 + -45 + -5.2x + x2 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -5.2x + x2 = 0 + -45
-5.2x + x2 = 0 + -45

Combine like terms: 0 + -45 = -45
-5.2x + x2 = -45

The x term is -5.2x.  Take half its coefficient (-2.6).
Square it (6.76) and add it to both sides.

Add '6.76' to each side of the equation.
-5.2x + 6.76 + x2 = -45 + 6.76

Reorder the terms:
6.76 + -5.2x + x2 = -45 + 6.76

Combine like terms: -45 + 6.76 = -38.24
6.76 + -5.2x + x2 = -38.24

Factor a perfect square on the left side:
(x + -2.6)(x + -2.6) = -38.24

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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