Question

find the product
a) (x²+y²)(x²+xy+y²)
b) (3x+4y+5z)(4x+3y+4z)
c) (x²+y²+z²)(x+y+z)
please answer it step by step all the 3
please it is an urgent
no nonsense
l will mark brainlist answer ​

Answer 1

Step-by-step explanation:

next one try it by your self