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

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


Simplifying
0 = (3x3 + -7x2 + 5x + -9) + -1(7x3 + -7x2 + -4x + 4)

Reorder the terms:
0 = (-9 + 5x + -7x2 + 3x3) + -1(7x3 + -7x2 + -4x + 4)

Remove parenthesis around (-9 + 5x + -7x2 + 3x3)
0 = -9 + 5x + -7x2 + 3x3 + -1(7x3 + -7x2 + -4x + 4)

Reorder the terms:
0 = -9 + 5x + -7x2 + 3x3 + -1(4 + -4x + -7x2 + 7x3)
0 = -9 + 5x + -7x2 + 3x3 + (4 * -1 + -4x * -1 + -7x2 * -1 + 7x3 * -1)
0 = -9 + 5x + -7x2 + 3x3 + (-4 + 4x + 7x2 + -7x3)

Reorder the terms:
0 = -9 + -4 + 5x + 4x + -7x2 + 7x2 + 3x3 + -7x3

Combine like terms: -9 + -4 = -13
0 = -13 + 5x + 4x + -7x2 + 7x2 + 3x3 + -7x3

Combine like terms: 5x + 4x = 9x
0 = -13 + 9x + -7x2 + 7x2 + 3x3 + -7x3

Combine like terms: -7x2 + 7x2 = 0
0 = -13 + 9x + 0 + 3x3 + -7x3
0 = -13 + 9x + 3x3 + -7x3

Combine like terms: 3x3 + -7x3 = -4x3
0 = -13 + 9x + -4x3

Solving
0 = -13 + 9x + -4x3

Solving for variable 'x'.

Combine like terms: 0 + 13 = 13
13 + -9x + 4x3 = -13 + 9x + -4x3 + 13 + -9x + 4x3

Reorder the terms:
13 + -9x + 4x3 = -13 + 13 + 9x + -9x + -4x3 + 4x3

Combine like terms: -13 + 13 = 0
13 + -9x + 4x3 = 0 + 9x + -9x + -4x3 + 4x3
13 + -9x + 4x3 = 9x + -9x + -4x3 + 4x3

Combine like terms: 9x + -9x = 0
13 + -9x + 4x3 = 0 + -4x3 + 4x3
13 + -9x + 4x3 = -4x3 + 4x3

Combine like terms: -4x3 + 4x3 = 0
13 + -9x + 4x3 = 0

The solution to this equation could not be determined.

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