5x=2x^2+6

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Solution for 5x=2x^2+6 equation:


Simplifying
5x = 2x2 + 6

Reorder the terms:
5x = 6 + 2x2

Solving
5x = 6 + 2x2

Solving for variable 'x'.

Reorder the terms:
-6 + 5x + -2x2 = 6 + 2x2 + -6 + -2x2

Reorder the terms:
-6 + 5x + -2x2 = 6 + -6 + 2x2 + -2x2

Combine like terms: 6 + -6 = 0
-6 + 5x + -2x2 = 0 + 2x2 + -2x2
-6 + 5x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-6 + 5x + -2x2 = 0

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

Divide each side by '-2'.
3 + -2.5x + x2 = 0

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + -2.5x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + -2.5x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -2.5x + x2 = 0 + -3
-2.5x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
-2.5x + x2 = -3

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 = -3 + 1.5625

Reorder the terms:
1.5625 + -2.5x + x2 = -3 + 1.5625

Combine like terms: -3 + 1.5625 = -1.4375
1.5625 + -2.5x + x2 = -1.4375

Factor a perfect square on the left side:
(x + -1.25)(x + -1.25) = -1.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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