(2a-3b+4c)braket square - (2a+3b-4c)braket square
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Answer:
(2a-3b+4c)^2-(2a+3b-4c)^2
=(2a-3b+4c-2a-3b+4c)(2a-3b+4c+2a+3b-4c)
=(8c-6b)(4a)
=(32ac-24ab)
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