Question 93

Factorise  $$24x^{2}-54x-15$$

Solution

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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