(7x^4-5x^2-12)-(6x^4+3x^3+4)=

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Solution for (7x^4-5x^2-12)-(6x^4+3x^3+4)= equation: 


Simplifying
(7x4 + -5x2 + -12) + -1(6x4 + 3x3 + 4) = 0

Reorder the terms:
(-12 + -5x2 + 7x4) + -1(6x4 + 3x3 + 4) = 0

Remove parenthesis around (-12 + -5x2 + 7x4)
-12 + -5x2 + 7x4 + -1(6x4 + 3x3 + 4) = 0

Reorder the terms:
-12 + -5x2 + 7x4 + -1(4 + 3x3 + 6x4) = 0
-12 + -5x2 + 7x4 + (4 * -1 + 3x3 * -1 + 6x4 * -1) = 0
-12 + -5x2 + 7x4 + (-4 + -3x3 + -6x4) = 0

Reorder the terms:
-12 + -4 + -5x2 + -3x3 + 7x4 + -6x4 = 0

Combine like terms: -12 + -4 = -16
-16 + -5x2 + -3x3 + 7x4 + -6x4 = 0

Combine like terms: 7x4 + -6x4 = 1x4
-16 + -5x2 + -3x3 + 1x4 = 0

Solving
-16 + -5x2 + -3x3 + 1x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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