(x^2+5)(16x^4-25x^2+9)=0

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Solution for (x^2+5)(16x^4-25x^2+9)=0 equation: 


Simplifying
(x2 + 5)(16x4 + -25x2 + 9) = 0

Reorder the terms:
(5 + x2)(16x4 + -25x2 + 9) = 0

Reorder the terms:
(5 + x2)(9 + -25x2 + 16x4) = 0

Multiply (5 + x2) * (9 + -25x2 + 16x4)
(5(9 + -25x2 + 16x4) + x2(9 + -25x2 + 16x4)) = 0
((9 * 5 + -25x2 * 5 + 16x4 * 5) + x2(9 + -25x2 + 16x4)) = 0
((45 + -125x2 + 80x4) + x2(9 + -25x2 + 16x4)) = 0
(45 + -125x2 + 80x4 + (9 * x2 + -25x2 * x2 + 16x4 * x2)) = 0
(45 + -125x2 + 80x4 + (9x2 + -25x4 + 16x6)) = 0

Reorder the terms:
(45 + -125x2 + 9x2 + 80x4 + -25x4 + 16x6) = 0

Combine like terms: -125x2 + 9x2 = -116x2
(45 + -116x2 + 80x4 + -25x4 + 16x6) = 0

Combine like terms: 80x4 + -25x4 = 55x4
(45 + -116x2 + 55x4 + 16x6) = 0

Solving
45 + -116x2 + 55x4 + 16x6 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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