Question

pls give me the use full answer with steps compulsory and if you can't answer then do not text anything ​​

Answer 1

Step-by-step explanation:

a+b=8 ab=15

(a+b)=8

(a+b)²=8²

a²+b²+2ab=64

a²+b²+30=64

a²+b²=34

a³+b³=(a+b)(a²+b²-ab)

=(8)(34-15)

=8×19

a³+b³=152

Here xyz=152

x=1 y=5 and z=2

x+y+z=1+5+2=8