25x^2-32x+256=0

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Solution for 25x^2-32x+256=0 equation:


Simplifying
25x2 + -32x + 256 = 0

Reorder the terms:
256 + -32x + 25x2 = 0

Solving
256 + -32x + 25x2 = 0

Solving for variable 'x'.

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

Divide each side by '25'.
10.24 + -1.28x + x2 = 0

Move the constant term to the right:

Add '-10.24' to each side of the equation.
10.24 + -1.28x + -10.24 + x2 = 0 + -10.24

Reorder the terms:
10.24 + -10.24 + -1.28x + x2 = 0 + -10.24

Combine like terms: 10.24 + -10.24 = 0.00
0.00 + -1.28x + x2 = 0 + -10.24
-1.28x + x2 = 0 + -10.24

Combine like terms: 0 + -10.24 = -10.24
-1.28x + x2 = -10.24

The x term is -1.28x.  Take half its coefficient (-0.64).
Square it (0.4096) and add it to both sides.

Add '0.4096' to each side of the equation.
-1.28x + 0.4096 + x2 = -10.24 + 0.4096

Reorder the terms:
0.4096 + -1.28x + x2 = -10.24 + 0.4096

Combine like terms: -10.24 + 0.4096 = -9.8304
0.4096 + -1.28x + x2 = -9.8304

Factor a perfect square on the left side:
(x + -0.64)(x + -0.64) = -9.8304

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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