3x=x^2+25

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Solution for 3x=x^2+25 equation:


Simplifying
3x = x2 + 25

Reorder the terms:
3x = 25 + x2

Solving
3x = 25 + x2

Solving for variable 'x'.

Reorder the terms:
-25 + 3x + -1x2 = 25 + x2 + -25 + -1x2

Reorder the terms:
-25 + 3x + -1x2 = 25 + -25 + x2 + -1x2

Combine like terms: 25 + -25 = 0
-25 + 3x + -1x2 = 0 + x2 + -1x2
-25 + 3x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-25 + 3x + -1x2 = 0

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

Divide each side by '-1'.
25 + -3x + x2 = 0

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + -3x + -25 + x2 = 0 + -25

Reorder the terms:
25 + -25 + -3x + x2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -3x + x2 = 0 + -25
-3x + x2 = 0 + -25

Combine like terms: 0 + -25 = -25
-3x + x2 = -25

The x term is -3x.  Take half its coefficient (-1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
-3x + 2.25 + x2 = -25 + 2.25

Reorder the terms:
2.25 + -3x + x2 = -25 + 2.25

Combine like terms: -25 + 2.25 = -22.75
2.25 + -3x + x2 = -22.75

Factor a perfect square on the left side:
(x + -1.5)(x + -1.5) = -22.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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