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

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


Simplifying
(6z4 + -3z3 + 7z2) + -1(5z3 + 3z2 + -2) + (z4 + -1z2 + 5) = 0

Reorder the terms:
(7z2 + -3z3 + 6z4) + -1(5z3 + 3z2 + -2) + (z4 + -1z2 + 5) = 0

Remove parenthesis around (7z2 + -3z3 + 6z4)
7z2 + -3z3 + 6z4 + -1(5z3 + 3z2 + -2) + (z4 + -1z2 + 5) = 0

Reorder the terms:
7z2 + -3z3 + 6z4 + -1(-2 + 3z2 + 5z3) + (z4 + -1z2 + 5) = 0
7z2 + -3z3 + 6z4 + (-2 * -1 + 3z2 * -1 + 5z3 * -1) + (z4 + -1z2 + 5) = 0
7z2 + -3z3 + 6z4 + (2 + -3z2 + -5z3) + (z4 + -1z2 + 5) = 0

Reorder the terms:
7z2 + -3z3 + 6z4 + 2 + -3z2 + -5z3 + (5 + -1z2 + z4) = 0

Remove parenthesis around (5 + -1z2 + z4)
7z2 + -3z3 + 6z4 + 2 + -3z2 + -5z3 + 5 + -1z2 + z4 = 0

Reorder the terms:
2 + 5 + 7z2 + -3z2 + -1z2 + -3z3 + -5z3 + 6z4 + z4 = 0

Combine like terms: 2 + 5 = 7
7 + 7z2 + -3z2 + -1z2 + -3z3 + -5z3 + 6z4 + z4 = 0

Combine like terms: 7z2 + -3z2 = 4z2
7 + 4z2 + -1z2 + -3z3 + -5z3 + 6z4 + z4 = 0

Combine like terms: 4z2 + -1z2 = 3z2
7 + 3z2 + -3z3 + -5z3 + 6z4 + z4 = 0

Combine like terms: -3z3 + -5z3 = -8z3
7 + 3z2 + -8z3 + 6z4 + z4 = 0

Combine like terms: 6z4 + z4 = 7z4
7 + 3z2 + -8z3 + 7z4 = 0

Solving
7 + 3z2 + -8z3 + 7z4 = 0

Solving for variable 'z'.

The solution to this equation could not be determined.

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