Question

factorise the following.....12x square +5x-2​

Answer 1

12x²+5x-2

= 12x²+ (-3x+8x) -2

= 12x²-3x+8x-2

= 3x(4x-1) +2(4x-1)

= (4x-1) (3x+2)

(4x-1)(3x+2)

Answer 2

Answer:

(-4x+1)(-3x-2)

Step-by-step explanation:

12x SQUARE +8x-3x-2                                   (splitting the middle term)

= (12x $x^{2}$ +8x) + (-3x-2)

=  -4x(-3x -2) +1(-3x-2)

= (-4x+1)(-3x-2)

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