2x^4-9x^2+14=0

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Solution for 2x^4-9x^2+14=0 equation:


Simplifying
2x4 + -9x2 + 14 = 0

Reorder the terms:
14 + -9x2 + 2x4 = 0

Solving
14 + -9x2 + 2x4 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
7 + -4.5x2 + x4 = 0

Move the constant term to the right:

Add '-7' to each side of the equation.
7 + -4.5x2 + -7 + x4 = 0 + -7

Reorder the terms:
7 + -7 + -4.5x2 + x4 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -4.5x2 + x4 = 0 + -7
-4.5x2 + x4 = 0 + -7

Combine like terms: 0 + -7 = -7
-4.5x2 + x4 = -7

The x term is -4.5x2.  Take half its coefficient (-2.25).
Square it (5.0625) and add it to both sides.

Add '5.0625' to each side of the equation.
-4.5x2 + 5.0625 + x4 = -7 + 5.0625

Reorder the terms:
5.0625 + -4.5x2 + x4 = -7 + 5.0625

Combine like terms: -7 + 5.0625 = -1.9375
5.0625 + -4.5x2 + x4 = -1.9375

Factor a perfect square on the left side:
(x2 + -2.25)(x2 + -2.25) = -1.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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