2x^2-10x+50=15

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Solution for 2x^2-10x+50=15 equation:


Simplifying
2x2 + -10x + 50 = 15

Reorder the terms:
50 + -10x + 2x2 = 15

Solving
50 + -10x + 2x2 = 15

Solving for variable 'x'.

Reorder the terms:
50 + -15 + -10x + 2x2 = 15 + -15

Combine like terms: 50 + -15 = 35
35 + -10x + 2x2 = 15 + -15

Combine like terms: 15 + -15 = 0
35 + -10x + 2x2 = 0

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

Divide each side by '2'.
17.5 + -5x + x2 = 0

Move the constant term to the right:

Add '-17.5' to each side of the equation.
17.5 + -5x + -17.5 + x2 = 0 + -17.5

Reorder the terms:
17.5 + -17.5 + -5x + x2 = 0 + -17.5

Combine like terms: 17.5 + -17.5 = 0.0
0.0 + -5x + x2 = 0 + -17.5
-5x + x2 = 0 + -17.5

Combine like terms: 0 + -17.5 = -17.5
-5x + x2 = -17.5

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = -17.5 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -17.5 + 6.25

Combine like terms: -17.5 + 6.25 = -11.25
6.25 + -5x + x2 = -11.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = -11.25

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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