(x+3.5)(x-7)(x^2+9)=0

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Solution for (x+3.5)(x-7)(x^2+9)=0 equation: 


Simplifying
(x + 3.5)(x + -7)(x2 + 9) = 0

Reorder the terms:
(3.5 + x)(x + -7)(x2 + 9) = 0

Reorder the terms:
(3.5 + x)(-7 + x)(x2 + 9) = 0

Reorder the terms:
(3.5 + x)(-7 + x)(9 + x2) = 0

Multiply (3.5 + x) * (-7 + x)
(3.5(-7 + x) + x(-7 + x))(9 + x2) = 0
((-7 * 3.5 + x * 3.5) + x(-7 + x))(9 + x2) = 0
((-24.5 + 3.5x) + x(-7 + x))(9 + x2) = 0
(-24.5 + 3.5x + (-7 * x + x * x))(9 + x2) = 0
(-24.5 + 3.5x + (-7x + x2))(9 + x2) = 0

Combine like terms: 3.5x + -7x = -3.5x
(-24.5 + -3.5x + x2)(9 + x2) = 0

Multiply (-24.5 + -3.5x + x2) * (9 + x2)
(-24.5(9 + x2) + -3.5x * (9 + x2) + x2(9 + x2)) = 0
((9 * -24.5 + x2 * -24.5) + -3.5x * (9 + x2) + x2(9 + x2)) = 0
((-220.5 + -24.5x2) + -3.5x * (9 + x2) + x2(9 + x2)) = 0
(-220.5 + -24.5x2 + (9 * -3.5x + x2 * -3.5x) + x2(9 + x2)) = 0
(-220.5 + -24.5x2 + (-31.5x + -3.5x3) + x2(9 + x2)) = 0
(-220.5 + -24.5x2 + -31.5x + -3.5x3 + (9 * x2 + x2 * x2)) = 0
(-220.5 + -24.5x2 + -31.5x + -3.5x3 + (9x2 + x4)) = 0

Reorder the terms:
(-220.5 + -31.5x + -24.5x2 + 9x2 + -3.5x3 + x4) = 0

Combine like terms: -24.5x2 + 9x2 = -15.5x2
(-220.5 + -31.5x + -15.5x2 + -3.5x3 + x4) = 0

Solving
-220.5 + -31.5x + -15.5x2 + -3.5x3 + x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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