(2a^3+a-7)-(6-7a^3-9a^2)=

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Solution for (2a^3+a-7)-(6-7a^3-9a^2)= equation: 


Simplifying
(2a3 + a + -7) + -1(6 + -7a3 + -9a2) = 0

Reorder the terms:
(-7 + a + 2a3) + -1(6 + -7a3 + -9a2) = 0

Remove parenthesis around (-7 + a + 2a3)
-7 + a + 2a3 + -1(6 + -7a3 + -9a2) = 0

Reorder the terms:
-7 + a + 2a3 + -1(6 + -9a2 + -7a3) = 0
-7 + a + 2a3 + (6 * -1 + -9a2 * -1 + -7a3 * -1) = 0
-7 + a + 2a3 + (-6 + 9a2 + 7a3) = 0

Reorder the terms:
-7 + -6 + a + 9a2 + 2a3 + 7a3 = 0

Combine like terms: -7 + -6 = -13
-13 + a + 9a2 + 2a3 + 7a3 = 0

Combine like terms: 2a3 + 7a3 = 9a3
-13 + a + 9a2 + 9a3 = 0

Solving
-13 + a + 9a2 + 9a3 = 0

Solving for variable 'a'.

The solution to this equation could not be determined.

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