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${8ab - 6bc - 20ac + 15c}^{2} =$

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(4a - 3c)(2b + 5c)

(4a - 3c)(5c - 2b)

(4a + 3c)(2b – 5c)

(4a - 3c)(2b - 5c)

answer is D.

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Detailed Solution

{8ab - 6bc - 20ac + 15c}^{2}

$=2b (4 a - 3 c) - 5 c (4 a - 3 c)$

$= (4 a - 3 c) (2 b - 5 c)$

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