(2a+5b)2-(a+b)(3a-b)=

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Solution for (2a+5b)2-(a+b)(3a-b)= equation: 


Simplifying
(2a + 5b) * 2 + -1(a + b)(3a + -1b) = 0

Reorder the terms for easier multiplication:
2(2a + 5b) + -1(a + b)(3a + -1b) = 0
(2a * 2 + 5b * 2) + -1(a + b)(3a + -1b) = 0
(4a + 10b) + -1(a + b)(3a + -1b) = 0

Multiply (a + b) * (3a + -1b)
4a + 10b + -1(a(3a + -1b) + b(3a + -1b)) = 0
4a + 10b + -1((3a * a + -1b * a) + b(3a + -1b)) = 0

Reorder the terms:
4a + 10b + -1((-1ab + 3a2) + b(3a + -1b)) = 0
4a + 10b + -1((-1ab + 3a2) + b(3a + -1b)) = 0
4a + 10b + -1(-1ab + 3a2 + (3a * b + -1b * b)) = 0
4a + 10b + -1(-1ab + 3a2 + (3ab + -1b2)) = 0

Reorder the terms:
4a + 10b + -1(-1ab + 3ab + 3a2 + -1b2) = 0

Combine like terms: -1ab + 3ab = 2ab
4a + 10b + -1(2ab + 3a2 + -1b2) = 0
4a + 10b + (2ab * -1 + 3a2 * -1 + -1b2 * -1) = 0
4a + 10b + (-2ab + -3a2 + 1b2) = 0

Reorder the terms:
4a + -2ab + -3a2 + 10b + 1b2 = 0

Solving
4a + -2ab + -3a2 + 10b + 1b2 = 0

Solving for variable 'a'.

The solution to this equation could not be determined.

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