Question

can anyone please say the answer

Emergency
and say this also


Factorise the following:
1. 27y³ + 125z³​

Answer 1

Sorry I don't know this answer

Answer 2

Step-by-step explanation:

1. 3y^2(3-5) + 25z

= -6y^2 + 25z

2. 27y^3 + 125z^3

= (3y)^3 + (5z)^3

=. (3y+ 5z)^3 - 3×3y×5z(3y+5z). [as (a+b)^3= a^3+b^3+3ab(a+b)]