(x^2-9)*(x^2+8x+16)=0

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Solution for (x^2-9)*(x^2+8x+16)=0 equation: 


Simplifying
(x2 + -9)(x2 + 8x + 16) = 0

Reorder the terms:
(-9 + x2)(x2 + 8x + 16) = 0

Reorder the terms:
(-9 + x2)(16 + 8x + x2) = 0

Multiply (-9 + x2) * (16 + 8x + x2)
(-9(16 + 8x + x2) + x2(16 + 8x + x2)) = 0
((16 * -9 + 8x * -9 + x2 * -9) + x2(16 + 8x + x2)) = 0
((-144 + -72x + -9x2) + x2(16 + 8x + x2)) = 0
(-144 + -72x + -9x2 + (16 * x2 + 8x * x2 + x2 * x2)) = 0
(-144 + -72x + -9x2 + (16x2 + 8x3 + x4)) = 0

Combine like terms: -9x2 + 16x2 = 7x2
(-144 + -72x + 7x2 + 8x3 + x4) = 0

Solving
-144 + -72x + 7x2 + 8x3 + x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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