Question

please solve in detail ​

Answer 1

hope my answer is correct and it will help you

Answer 2

$\blue{Coefficient~means~}$$\red{Numerical~Value}$(numbers)

$\mathrm\pink{Coefficient~of~x~is~-1}$

Coefficient of :-

x : -1

y : +1

The expression : 8

☆ It's not about solving Dear, it's all about selecting the digits .