=(1.3x^3-3.6x+7.7)+(6.7x^3+4.5x^2-9.7)

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Solution for =(1.3x^3-3.6x+7.7)+(6.7x^3+4.5x^2-9.7) equation: 


Simplifying
0 = (1.3x3 + -3.6x + 7.7) + (6.7x3 + 4.5x2 + -9.7)

Reorder the terms:
0 = (7.7 + -3.6x + 1.3x3) + (6.7x3 + 4.5x2 + -9.7)

Remove parenthesis around (7.7 + -3.6x + 1.3x3)
0 = 7.7 + -3.6x + 1.3x3 + (6.7x3 + 4.5x2 + -9.7)

Reorder the terms:
0 = 7.7 + -3.6x + 1.3x3 + (-9.7 + 4.5x2 + 6.7x3)

Remove parenthesis around (-9.7 + 4.5x2 + 6.7x3)
0 = 7.7 + -3.6x + 1.3x3 + -9.7 + 4.5x2 + 6.7x3

Reorder the terms:
0 = 7.7 + -9.7 + -3.6x + 4.5x2 + 1.3x3 + 6.7x3

Combine like terms: 7.7 + -9.7 = -2
0 = -2 + -3.6x + 4.5x2 + 1.3x3 + 6.7x3

Combine like terms: 1.3x3 + 6.7x3 = 8x3
0 = -2 + -3.6x + 4.5x2 + 8x3

Solving
0 = -2 + -3.6x + 4.5x2 + 8x3

Solving for variable 'x'.

Combine like terms: 0 + 2 = 2
2 + 3.6x + -4.5x2 + -8x3 = -2 + -3.6x + 4.5x2 + 8x3 + 2 + 3.6x + -4.5x2 + -8x3

Reorder the terms:
2 + 3.6x + -4.5x2 + -8x3 = -2 + 2 + -3.6x + 3.6x + 4.5x2 + -4.5x2 + 8x3 + -8x3

Combine like terms: -2 + 2 = 0
2 + 3.6x + -4.5x2 + -8x3 = 0 + -3.6x + 3.6x + 4.5x2 + -4.5x2 + 8x3 + -8x3
2 + 3.6x + -4.5x2 + -8x3 = -3.6x + 3.6x + 4.5x2 + -4.5x2 + 8x3 + -8x3

Combine like terms: -3.6x + 3.6x = 0.0
2 + 3.6x + -4.5x2 + -8x3 = 0.0 + 4.5x2 + -4.5x2 + 8x3 + -8x3
2 + 3.6x + -4.5x2 + -8x3 = 4.5x2 + -4.5x2 + 8x3 + -8x3

Combine like terms: 4.5x2 + -4.5x2 = 0.0
2 + 3.6x + -4.5x2 + -8x3 = 0.0 + 8x3 + -8x3
2 + 3.6x + -4.5x2 + -8x3 = 8x3 + -8x3

Combine like terms: 8x3 + -8x3 = 0
2 + 3.6x + -4.5x2 + -8x3 = 0

The solution to this equation could not be determined.

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