(2a+b-3c)(2a+b+3c)=

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Solution for (2a+b-3c)(2a+b+3c)= equation: 


Simplifying
(2a + b + -3c)(2a + b + 3c) = 0

Multiply (2a + b + -3c) * (2a + b + 3c)
(2a * (2a + b + 3c) + b(2a + b + 3c) + -3c * (2a + b + 3c)) = 0
((2a * 2a + b * 2a + 3c * 2a) + b(2a + b + 3c) + -3c * (2a + b + 3c)) = 0

Reorder the terms:
((2ab + 6ac + 4a2) + b(2a + b + 3c) + -3c * (2a + b + 3c)) = 0
((2ab + 6ac + 4a2) + b(2a + b + 3c) + -3c * (2a + b + 3c)) = 0
(2ab + 6ac + 4a2 + (2a * b + b * b + 3c * b) + -3c * (2a + b + 3c)) = 0

Reorder the terms:
(2ab + 6ac + 4a2 + (2ab + 3bc + b2) + -3c * (2a + b + 3c)) = 0
(2ab + 6ac + 4a2 + (2ab + 3bc + b2) + -3c * (2a + b + 3c)) = 0
(2ab + 6ac + 4a2 + 2ab + 3bc + b2 + (2a * -3c + b * -3c + 3c * -3c)) = 0
(2ab + 6ac + 4a2 + 2ab + 3bc + b2 + (-6ac + -3bc + -9c2)) = 0

Reorder the terms:
(2ab + 2ab + 6ac + -6ac + 4a2 + 3bc + -3bc + b2 + -9c2) = 0

Combine like terms: 2ab + 2ab = 4ab
(4ab + 6ac + -6ac + 4a2 + 3bc + -3bc + b2 + -9c2) = 0

Combine like terms: 6ac + -6ac = 0
(4ab + 0 + 4a2 + 3bc + -3bc + b2 + -9c2) = 0
(4ab + 4a2 + 3bc + -3bc + b2 + -9c2) = 0

Combine like terms: 3bc + -3bc = 0
(4ab + 4a2 + 0 + b2 + -9c2) = 0
(4ab + 4a2 + b2 + -9c2) = 0

Solving
4ab + 4a2 + b2 + -9c2 = 0

Solving for variable 'a'.

The solution to this equation could not be determined.

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