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

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


Simplifying
(5xy4 + -7xy2 + 4x2) + -1(-3xy4 + 2xy2 + -2y + 4) = 0

Reorder the terms:
(-7xy2 + 5xy4 + 4x2) + -1(-3xy4 + 2xy2 + -2y + 4) = 0

Remove parenthesis around (-7xy2 + 5xy4 + 4x2)
-7xy2 + 5xy4 + 4x2 + -1(-3xy4 + 2xy2 + -2y + 4) = 0

Reorder the terms:
-7xy2 + 5xy4 + 4x2 + -1(4 + 2xy2 + -3xy4 + -2y) = 0
-7xy2 + 5xy4 + 4x2 + (4 * -1 + 2xy2 * -1 + -3xy4 * -1 + -2y * -1) = 0
-7xy2 + 5xy4 + 4x2 + (-4 + -2xy2 + 3xy4 + 2y) = 0

Reorder the terms:
-4 + -7xy2 + -2xy2 + 5xy4 + 3xy4 + 4x2 + 2y = 0

Combine like terms: -7xy2 + -2xy2 = -9xy2
-4 + -9xy2 + 5xy4 + 3xy4 + 4x2 + 2y = 0

Combine like terms: 5xy4 + 3xy4 = 8xy4
-4 + -9xy2 + 8xy4 + 4x2 + 2y = 0

Solving
-4 + -9xy2 + 8xy4 + 4x2 + 2y = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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