F.2 factorize

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

x= -2 or x = 3

-343 -8y^3
(-7)^3 - (2y)^3

(-7+2y ) ( 49+14y+4y^2)


(x+y)^3 -[2(x-y)]^3

(3x+6)(x+2)


-(2y+7)(4y^2-14y+49)


-(x+y)(x^2+y^2)