Factorise the following expression

12x²-27y²

Answer:3 (4x^2-9y^2)

3 (4x^2 - 9y^2)

Step-by-step explanation:

12x^2 basically means 12xx

27y^2 basically means 27yy

Find the common factor between 12 and 27. The answer is 3

Check to see if the numbers have anything common between such as the letters. They don't.

What do you times by to get from 3 to 12x^2 (4x^2)

What do you times by to get from 3 to - 27y^2

(-9y^2)