x^4+(3*x^2)+7=0

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Solution for x^4+(3*x^2)+7=0 equation:


Simplifying
x4 + (3x2) + 7 = 0

Reorder the terms:
7 + (3x2) + x4 = 0

Solving
7 + (3x2) + x4 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-7' to each side of the equation.
7 + (3x2) + -7 + x4 = 0 + -7

Reorder the terms:
7 + -7 + (3x2) + x4 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + (3x2) + x4 = 0 + -7
(3x2) + x4 = 0 + -7

Combine like terms: 0 + -7 = -7
(3x2) + x4 = -7

The x term is (3x2).  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.
(3x2) + 2.25 + x4 = -7 + 2.25

Reorder the terms:
2.25 + (3x2) + x4 = -7 + 2.25

Combine like terms: -7 + 2.25 = -4.75
2.25 + (3x2) + x4 = -4.75

Factor a perfect square on the left side:
(x2 + 1.5)(x2 + 1.5) = -4.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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