(8x^3+2x^2+9)-(5x^3-4x^2+7x+1)=0

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Solution for (8x^3+2x^2+9)-(5x^3-4x^2+7x+1)=0 equation: 


Simplifying
(8x3 + 2x2 + 9) + -1(5x3 + -4x2 + 7x + 1) = 0

Reorder the terms:
(9 + 2x2 + 8x3) + -1(5x3 + -4x2 + 7x + 1) = 0

Remove parenthesis around (9 + 2x2 + 8x3)
9 + 2x2 + 8x3 + -1(5x3 + -4x2 + 7x + 1) = 0

Reorder the terms:
9 + 2x2 + 8x3 + -1(1 + 7x + -4x2 + 5x3) = 0
9 + 2x2 + 8x3 + (1 * -1 + 7x * -1 + -4x2 * -1 + 5x3 * -1) = 0
9 + 2x2 + 8x3 + (-1 + -7x + 4x2 + -5x3) = 0

Reorder the terms:
9 + -1 + -7x + 2x2 + 4x2 + 8x3 + -5x3 = 0

Combine like terms: 9 + -1 = 8
8 + -7x + 2x2 + 4x2 + 8x3 + -5x3 = 0

Combine like terms: 2x2 + 4x2 = 6x2
8 + -7x + 6x2 + 8x3 + -5x3 = 0

Combine like terms: 8x3 + -5x3 = 3x3
8 + -7x + 6x2 + 3x3 = 0

Solving
8 + -7x + 6x2 + 3x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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