(18x^4-2x^3-7x+8)-(9x^4-6x^3-5x+7)=

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Solution for (18x^4-2x^3-7x+8)-(9x^4-6x^3-5x+7)= equation: 


Simplifying
(18x4 + -2x3 + -7x + 8) + -1(9x4 + -6x3 + -5x + 7) = 0

Reorder the terms:
(8 + -7x + -2x3 + 18x4) + -1(9x4 + -6x3 + -5x + 7) = 0

Remove parenthesis around (8 + -7x + -2x3 + 18x4)
8 + -7x + -2x3 + 18x4 + -1(9x4 + -6x3 + -5x + 7) = 0

Reorder the terms:
8 + -7x + -2x3 + 18x4 + -1(7 + -5x + -6x3 + 9x4) = 0
8 + -7x + -2x3 + 18x4 + (7 * -1 + -5x * -1 + -6x3 * -1 + 9x4 * -1) = 0
8 + -7x + -2x3 + 18x4 + (-7 + 5x + 6x3 + -9x4) = 0

Reorder the terms:
8 + -7 + -7x + 5x + -2x3 + 6x3 + 18x4 + -9x4 = 0

Combine like terms: 8 + -7 = 1
1 + -7x + 5x + -2x3 + 6x3 + 18x4 + -9x4 = 0

Combine like terms: -7x + 5x = -2x
1 + -2x + -2x3 + 6x3 + 18x4 + -9x4 = 0

Combine like terms: -2x3 + 6x3 = 4x3
1 + -2x + 4x3 + 18x4 + -9x4 = 0

Combine like terms: 18x4 + -9x4 = 9x4
1 + -2x + 4x3 + 9x4 = 0

Solving
1 + -2x + 4x3 + 9x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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