7a-(2(3a+b)-(a-b)(a+b)+3b)=

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Solution for 7a-(2(3a+b)-(a-b)(a+b)+3b)= equation:


Simplifying
7a + -1(2(3a + b) + -1(a + -1b)(a + b) + 3b) = 0
7a + -1((3a * 2 + b * 2) + -1(a + -1b)(a + b) + 3b) = 0
7a + -1((6a + 2b) + -1(a + -1b)(a + b) + 3b) = 0

Multiply (a + -1b) * (a + b)
7a + -1(6a + 2b + -1(a(a + b) + -1b * (a + b)) + 3b) = 0
7a + -1(6a + 2b + -1((a * a + b * a) + -1b * (a + b)) + 3b) = 0

Reorder the terms:
7a + -1(6a + 2b + -1((ab + a2) + -1b * (a + b)) + 3b) = 0
7a + -1(6a + 2b + -1((ab + a2) + -1b * (a + b)) + 3b) = 0
7a + -1(6a + 2b + -1(ab + a2 + (a * -1b + b * -1b)) + 3b) = 0
7a + -1(6a + 2b + -1(ab + a2 + (-1ab + -1b2)) + 3b) = 0

Reorder the terms:
7a + -1(6a + 2b + -1(ab + -1ab + a2 + -1b2) + 3b) = 0

Combine like terms: ab + -1ab = 0
7a + -1(6a + 2b + -1(0 + a2 + -1b2) + 3b) = 0
7a + -1(6a + 2b + -1(a2 + -1b2) + 3b) = 0
7a + -1(6a + 2b + (a2 * -1 + -1b2 * -1) + 3b) = 0
7a + -1(6a + 2b + (-1a2 + 1b2) + 3b) = 0

Reorder the terms:
7a + -1(6a + -1a2 + 2b + 3b + 1b2) = 0

Combine like terms: 2b + 3b = 5b
7a + -1(6a + -1a2 + 5b + 1b2) = 0
7a + (6a * -1 + -1a2 * -1 + 5b * -1 + 1b2 * -1) = 0
7a + (-6a + 1a2 + -5b + -1b2) = 0

Combine like terms: 7a + -6a = 1a
1a + 1a2 + -5b + -1b2 = 0

Solving
1a + 1a2 + -5b + -1b2 = 0

Solving for variable 'a'.

The solution to this equation could not be determined.

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