5x=2x^2+11

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Solution for 5x=2x^2+11 equation:


Simplifying
5x = 2x2 + 11

Reorder the terms:
5x = 11 + 2x2

Solving
5x = 11 + 2x2

Solving for variable 'x'.

Reorder the terms:
-11 + 5x + -2x2 = 11 + 2x2 + -11 + -2x2

Reorder the terms:
-11 + 5x + -2x2 = 11 + -11 + 2x2 + -2x2

Combine like terms: 11 + -11 = 0
-11 + 5x + -2x2 = 0 + 2x2 + -2x2
-11 + 5x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-11 + 5x + -2x2 = 0

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

Divide each side by '-2'.
5.5 + -2.5x + x2 = 0

Move the constant term to the right:

Add '-5.5' to each side of the equation.
5.5 + -2.5x + -5.5 + x2 = 0 + -5.5

Reorder the terms:
5.5 + -5.5 + -2.5x + x2 = 0 + -5.5

Combine like terms: 5.5 + -5.5 = 0.0
0.0 + -2.5x + x2 = 0 + -5.5
-2.5x + x2 = 0 + -5.5

Combine like terms: 0 + -5.5 = -5.5
-2.5x + x2 = -5.5

The x term is -2.5x.  Take half its coefficient (-1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
-2.5x + 1.5625 + x2 = -5.5 + 1.5625

Reorder the terms:
1.5625 + -2.5x + x2 = -5.5 + 1.5625

Combine like terms: -5.5 + 1.5625 = -3.9375
1.5625 + -2.5x + x2 = -3.9375

Factor a perfect square on the left side:
(x + -1.25)(x + -1.25) = -3.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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