(4a-3b)(a+2b)-(4a+3b)(a-2b)=

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Solution for (4a-3b)(a+2b)-(4a+3b)(a-2b)= equation: 


Simplifying
(4a + -3b)(a + 2b) + -1(4a + 3b)(a + -2b) = 0

Multiply (4a + -3b) * (a + 2b)
(4a * (a + 2b) + -3b * (a + 2b)) + -1(4a + 3b)(a + -2b) = 0
((a * 4a + 2b * 4a) + -3b * (a + 2b)) + -1(4a + 3b)(a + -2b) = 0

Reorder the terms:
((8ab + 4a2) + -3b * (a + 2b)) + -1(4a + 3b)(a + -2b) = 0
((8ab + 4a2) + -3b * (a + 2b)) + -1(4a + 3b)(a + -2b) = 0
(8ab + 4a2 + (a * -3b + 2b * -3b)) + -1(4a + 3b)(a + -2b) = 0
(8ab + 4a2 + (-3ab + -6b2)) + -1(4a + 3b)(a + -2b) = 0

Reorder the terms:
(8ab + -3ab + 4a2 + -6b2) + -1(4a + 3b)(a + -2b) = 0

Combine like terms: 8ab + -3ab = 5ab
(5ab + 4a2 + -6b2) + -1(4a + 3b)(a + -2b) = 0

Multiply (4a + 3b) * (a + -2b)
5ab + 4a2 + -6b2 + -1(4a * (a + -2b) + 3b * (a + -2b)) = 0
5ab + 4a2 + -6b2 + -1((a * 4a + -2b * 4a) + 3b * (a + -2b)) = 0

Reorder the terms:
5ab + 4a2 + -6b2 + -1((-8ab + 4a2) + 3b * (a + -2b)) = 0
5ab + 4a2 + -6b2 + -1((-8ab + 4a2) + 3b * (a + -2b)) = 0
5ab + 4a2 + -6b2 + -1(-8ab + 4a2 + (a * 3b + -2b * 3b)) = 0
5ab + 4a2 + -6b2 + -1(-8ab + 4a2 + (3ab + -6b2)) = 0

Reorder the terms:
5ab + 4a2 + -6b2 + -1(-8ab + 3ab + 4a2 + -6b2) = 0

Combine like terms: -8ab + 3ab = -5ab
5ab + 4a2 + -6b2 + -1(-5ab + 4a2 + -6b2) = 0
5ab + 4a2 + -6b2 + (-5ab * -1 + 4a2 * -1 + -6b2 * -1) = 0
5ab + 4a2 + -6b2 + (5ab + -4a2 + 6b2) = 0

Reorder the terms:
5ab + 5ab + 4a2 + -4a2 + -6b2 + 6b2 = 0

Combine like terms: 5ab + 5ab = 10ab
10ab + 4a2 + -4a2 + -6b2 + 6b2 = 0

Combine like terms: 4a2 + -4a2 = 0
10ab + 0 + -6b2 + 6b2 = 0
10ab + -6b2 + 6b2 = 0

Combine like terms: -6b2 + 6b2 = 0
10ab + 0 = 0
10ab = 0

Solving
10ab = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by '10'.
ab = 0.0

Simplifying
ab = 0.0

The solution to this equation could not be determined.

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