(5x^4+2x^3-1)-(7x^2-5x+3)=

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Solution for (5x^4+2x^3-1)-(7x^2-5x+3)= equation: 


Simplifying
(5x4 + 2x3 + -1) + -1(7x2 + -5x + 3) = 0

Reorder the terms:
(-1 + 2x3 + 5x4) + -1(7x2 + -5x + 3) = 0

Remove parenthesis around (-1 + 2x3 + 5x4)
-1 + 2x3 + 5x4 + -1(7x2 + -5x + 3) = 0

Reorder the terms:
-1 + 2x3 + 5x4 + -1(3 + -5x + 7x2) = 0
-1 + 2x3 + 5x4 + (3 * -1 + -5x * -1 + 7x2 * -1) = 0
-1 + 2x3 + 5x4 + (-3 + 5x + -7x2) = 0

Reorder the terms:
-1 + -3 + 5x + -7x2 + 2x3 + 5x4 = 0

Combine like terms: -1 + -3 = -4
-4 + 5x + -7x2 + 2x3 + 5x4 = 0

Solving
-4 + 5x + -7x2 + 2x3 + 5x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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