5x=x^2+300

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Solution for 5x=x^2+300 equation:


Simplifying
5x = x2 + 300

Reorder the terms:
5x = 300 + x2

Solving
5x = 300 + x2

Solving for variable 'x'.

Reorder the terms:
-300 + 5x + -1x2 = 300 + x2 + -300 + -1x2

Reorder the terms:
-300 + 5x + -1x2 = 300 + -300 + x2 + -1x2

Combine like terms: 300 + -300 = 0
-300 + 5x + -1x2 = 0 + x2 + -1x2
-300 + 5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-300 + 5x + -1x2 = 0

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

Divide each side by '-1'.
300 + -5x + x2 = 0

Move the constant term to the right:

Add '-300' to each side of the equation.
300 + -5x + -300 + x2 = 0 + -300

Reorder the terms:
300 + -300 + -5x + x2 = 0 + -300

Combine like terms: 300 + -300 = 0
0 + -5x + x2 = 0 + -300
-5x + x2 = 0 + -300

Combine like terms: 0 + -300 = -300
-5x + x2 = -300

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 = -300 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -300 + 6.25

Combine like terms: -300 + 6.25 = -293.75
6.25 + -5x + x2 = -293.75

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = -293.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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