0=x^2-5x+98

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Solution for 0=x^2-5x+98 equation:


Simplifying
0 = x2 + -5x + 98

Reorder the terms:
0 = 98 + -5x + x2

Solving
0 = 98 + -5x + x2

Solving for variable 'x'.

Combine like terms: 0 + -98 = -98
-98 + 5x + -1x2 = 98 + -5x + x2 + -98 + 5x + -1x2

Reorder the terms:
-98 + 5x + -1x2 = 98 + -98 + -5x + 5x + x2 + -1x2

Combine like terms: 98 + -98 = 0
-98 + 5x + -1x2 = 0 + -5x + 5x + x2 + -1x2
-98 + 5x + -1x2 = -5x + 5x + x2 + -1x2

Combine like terms: -5x + 5x = 0
-98 + 5x + -1x2 = 0 + x2 + -1x2
-98 + 5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-98 + 5x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
98 + -5x + x2 = 0

Move the constant term to the right:

Add '-98' to each side of the equation.
98 + -5x + -98 + x2 = 0 + -98

Reorder the terms:
98 + -98 + -5x + x2 = 0 + -98

Combine like terms: 98 + -98 = 0
0 + -5x + x2 = 0 + -98
-5x + x2 = 0 + -98

Combine like terms: 0 + -98 = -98
-5x + x2 = -98

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 = -98 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -98 + 6.25

Combine like terms: -98 + 6.25 = -91.75
6.25 + -5x + x2 = -91.75

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = -91.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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