8x^2-30x+125=0

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Solution for 8x^2-30x+125=0 equation:


Simplifying
8x2 + -30x + 125 = 0

Reorder the terms:
125 + -30x + 8x2 = 0

Solving
125 + -30x + 8x2 = 0

Solving for variable 'x'.

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

Divide each side by '8'.
15.625 + -3.75x + x2 = 0

Move the constant term to the right:

Add '-15.625' to each side of the equation.
15.625 + -3.75x + -15.625 + x2 = 0 + -15.625

Reorder the terms:
15.625 + -15.625 + -3.75x + x2 = 0 + -15.625

Combine like terms: 15.625 + -15.625 = 0.000
0.000 + -3.75x + x2 = 0 + -15.625
-3.75x + x2 = 0 + -15.625

Combine like terms: 0 + -15.625 = -15.625
-3.75x + x2 = -15.625

The x term is -3.75x.  Take half its coefficient (-1.875).
Square it (3.515625) and add it to both sides.

Add '3.515625' to each side of the equation.
-3.75x + 3.515625 + x2 = -15.625 + 3.515625

Reorder the terms:
3.515625 + -3.75x + x2 = -15.625 + 3.515625

Combine like terms: -15.625 + 3.515625 = -12.109375
3.515625 + -3.75x + x2 = -12.109375

Factor a perfect square on the left side:
(x + -1.875)(x + -1.875) = -12.109375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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