(-3a^3+7a^2+4a+2)+(-a^3+a^2-9a+1)=

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Solution for (-3a^3+7a^2+4a+2)+(-a^3+a^2-9a+1)= equation: 


Simplifying
(-3a3 + 7a2 + 4a + 2) + (-1a3 + a2 + -9a + 1) = 0

Reorder the terms:
(2 + 4a + 7a2 + -3a3) + (-1a3 + a2 + -9a + 1) = 0

Remove parenthesis around (2 + 4a + 7a2 + -3a3)
2 + 4a + 7a2 + -3a3 + (-1a3 + a2 + -9a + 1) = 0

Reorder the terms:
2 + 4a + 7a2 + -3a3 + (1 + -9a + a2 + -1a3) = 0

Remove parenthesis around (1 + -9a + a2 + -1a3)
2 + 4a + 7a2 + -3a3 + 1 + -9a + a2 + -1a3 = 0

Reorder the terms:
2 + 1 + 4a + -9a + 7a2 + a2 + -3a3 + -1a3 = 0

Combine like terms: 2 + 1 = 3
3 + 4a + -9a + 7a2 + a2 + -3a3 + -1a3 = 0

Combine like terms: 4a + -9a = -5a
3 + -5a + 7a2 + a2 + -3a3 + -1a3 = 0

Combine like terms: 7a2 + a2 = 8a2
3 + -5a + 8a2 + -3a3 + -1a3 = 0

Combine like terms: -3a3 + -1a3 = -4a3
3 + -5a + 8a2 + -4a3 = 0

Solving
3 + -5a + 8a2 + -4a3 = 0

Solving for variable 'a'.

The solution to this equation could not be determined.

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