(9a^3+4a^2-7)+(4a^3-4a+9)=

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Solution for (9a^3+4a^2-7)+(4a^3-4a+9)= equation: 


Simplifying
(9a3 + 4a2 + -7) + (4a3 + -4a + 9) = 0

Reorder the terms:
(-7 + 4a2 + 9a3) + (4a3 + -4a + 9) = 0

Remove parenthesis around (-7 + 4a2 + 9a3)
-7 + 4a2 + 9a3 + (4a3 + -4a + 9) = 0

Reorder the terms:
-7 + 4a2 + 9a3 + (9 + -4a + 4a3) = 0

Remove parenthesis around (9 + -4a + 4a3)
-7 + 4a2 + 9a3 + 9 + -4a + 4a3 = 0

Reorder the terms:
-7 + 9 + -4a + 4a2 + 9a3 + 4a3 = 0

Combine like terms: -7 + 9 = 2
2 + -4a + 4a2 + 9a3 + 4a3 = 0

Combine like terms: 9a3 + 4a3 = 13a3
2 + -4a + 4a2 + 13a3 = 0

Solving
2 + -4a + 4a2 + 13a3 = 0

Solving for variable 'a'.

The solution to this equation could not be determined.

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