Question

Factorise : 3x²y - 3xy + 12x -12
[Hint: 3 is a common factor. First take 3 outside]

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Answer 1

Answer:

3x²y - 3xy + 12x - 12

=3xy (x - 1) + 12 (x -1)

=(3xy + 12) (x - 1)

Step-by-step explanation:

Hope it helps

Answer 2

Answer:

x= 1 and x=-4

Step-by-step explanation:

(3x^2y - 3xy) +( 12x -12)

3xy(x-1) + 12(x-1)

(x-1)(3xy+12)

x-1= 0

x= 1

3xy+12=0

3xy=-12

xy=-12/3

xy=-4

put x=1

1.x=-4

x=-4