Factorise 24x2 - 54x - 15
A) 3(2x + 5)(4x - 1) B) 3(2x - 5)(4x + 1) C) 2(3x - 5)(4x + 1) D) 4(2x - 5)(3x + 1)
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Step-by-step explanation:
24x²-54x-15
3(8x²-18x-5)
3(8x²-20x+2x-5)
3(4x(2x-5)+1(2x-5))
3(2x-5)(4x+1)
ans is option B
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