(12x^3+3x^2+5x+7)-(5x^3-4x^2+x+8)=

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Solution for (12x^3+3x^2+5x+7)-(5x^3-4x^2+x+8)= equation: 


Simplifying
(12x3 + 3x2 + 5x + 7) + -1(5x3 + -4x2 + x + 8) = 0

Reorder the terms:
(7 + 5x + 3x2 + 12x3) + -1(5x3 + -4x2 + x + 8) = 0

Remove parenthesis around (7 + 5x + 3x2 + 12x3)
7 + 5x + 3x2 + 12x3 + -1(5x3 + -4x2 + x + 8) = 0

Reorder the terms:
7 + 5x + 3x2 + 12x3 + -1(8 + x + -4x2 + 5x3) = 0
7 + 5x + 3x2 + 12x3 + (8 * -1 + x * -1 + -4x2 * -1 + 5x3 * -1) = 0
7 + 5x + 3x2 + 12x3 + (-8 + -1x + 4x2 + -5x3) = 0

Reorder the terms:
7 + -8 + 5x + -1x + 3x2 + 4x2 + 12x3 + -5x3 = 0

Combine like terms: 7 + -8 = -1
-1 + 5x + -1x + 3x2 + 4x2 + 12x3 + -5x3 = 0

Combine like terms: 5x + -1x = 4x
-1 + 4x + 3x2 + 4x2 + 12x3 + -5x3 = 0

Combine like terms: 3x2 + 4x2 = 7x2
-1 + 4x + 7x2 + 12x3 + -5x3 = 0

Combine like terms: 12x3 + -5x3 = 7x3
-1 + 4x + 7x2 + 7x3 = 0

Solving
-1 + 4x + 7x2 + 7x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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