Question

FACTORISE: 4x square - x - 18​

Answer 1

Answer:

$\left(4x-9\right)\left(x+2\right)$

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Answer 2

Answer: = 4x^2 -x-18

= (4x^2 +8x ) + ( -5x-18)

= 4x (x+2) - 9(x+2)

= (x+2) (4x-9)

Hope it's helpful