What do 6, 9 and 12 have in common? 3.
-6y / 3 = -2y
+9x / 3 = +3x
+12z / 3 = +4z
Since they share 3, write 3 outside the brackets, and your solutions inside the brackets:
3(3x-2y+12z)
Chat with our AI personalities
m(g-a)
In the same way that you would factorise any other expressions that do not contain an equality sign depending on the expressions of which none have been given.
5(3-2x)
2a(2b-c) :P
What about it? Factorise it?