(x^2-3x+8)(x+3)=0

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Solution for (x^2-3x+8)(x+3)=0 equation: 


Simplifying
(x2 + -3x + 8)(x + 3) = 0

Reorder the terms:
(8 + -3x + x2)(x + 3) = 0

Reorder the terms:
(8 + -3x + x2)(3 + x) = 0

Multiply (8 + -3x + x2) * (3 + x)
(8(3 + x) + -3x * (3 + x) + x2(3 + x)) = 0
((3 * 8 + x * 8) + -3x * (3 + x) + x2(3 + x)) = 0
((24 + 8x) + -3x * (3 + x) + x2(3 + x)) = 0
(24 + 8x + (3 * -3x + x * -3x) + x2(3 + x)) = 0
(24 + 8x + (-9x + -3x2) + x2(3 + x)) = 0
(24 + 8x + -9x + -3x2 + (3 * x2 + x * x2)) = 0
(24 + 8x + -9x + -3x2 + (3x2 + x3)) = 0

Combine like terms: 8x + -9x = -1x
(24 + -1x + -3x2 + 3x2 + x3) = 0

Combine like terms: -3x2 + 3x2 = 0
(24 + -1x + 0 + x3) = 0
(24 + -1x + x3) = 0

Solving
24 + -1x + x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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