Question

Factorise: 3x 2 -x -4 (3x square )

A) ( x- 1) ( 3x - 4)

B) (x + 1 ) ( 3x - 4 )

C)( x -1 ) ( 3x + 4)

D)( x + 1) ( 3x + 4)​

Answer 1

Answer:

b is the right ans

Step-by-step explanation:

3x2-x-4

3x2+3x-4x-4

3x(x+1)-4(x+1)

(x+1)(3x-4)

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