a^4-9a^2+29=0

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Solution for a^4-9a^2+29=0 equation:


Simplifying
a4 + -9a2 + 29 = 0

Reorder the terms:
29 + -9a2 + a4 = 0

Solving
29 + -9a2 + a4 = 0

Solving for variable 'a'.

Begin completing the square.

Move the constant term to the right:

Add '-29' to each side of the equation.
29 + -9a2 + -29 + a4 = 0 + -29

Reorder the terms:
29 + -29 + -9a2 + a4 = 0 + -29

Combine like terms: 29 + -29 = 0
0 + -9a2 + a4 = 0 + -29
-9a2 + a4 = 0 + -29

Combine like terms: 0 + -29 = -29
-9a2 + a4 = -29

The a term is -9a2.  Take half its coefficient (-4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
-9a2 + 20.25 + a4 = -29 + 20.25

Reorder the terms:
20.25 + -9a2 + a4 = -29 + 20.25

Combine like terms: -29 + 20.25 = -8.75
20.25 + -9a2 + a4 = -8.75

Factor a perfect square on the left side:
(a2 + -4.5)(a2 + -4.5) = -8.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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