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Expression : $$24x^{2}-54x-15$$
= $$3(8x^2-18x-5)$$
= $$3(8x^2 + 2x-20x-5)$$
= $$3[2x(4x+1)-5(4x+1)]$$
= $$3(2x-5)(4x+1)$$
=> Ans - (B)
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