2. y = 343x³ +27
Find a and b
(a is the cube root of the first term) a=
(b is the cube root of the second term) b =
Substitute the values of a and b in
(a+b)(a² + ab + b²)
y=(_)+(_)[(_)- 2(_) (_) +(_)²]
So, the factored form is
y=(_+_)(_²-_+_)​