Mengapa ada beberapa pertandingan yang jika seri tetap saja pertandingan itu sudah selesai dan ada yang dilanjutkan dengan extra time 2 babak bahkan sampai ada adu penalty.

answer

explanation

the given equation is

we can rewrite this as:

let

then the equation becomes:

the factors of 8 that sum up to -9 are {-1,-8}

we split the middle term with these factors to obtain,

we factor by grouping to obtain:

apply the zero product property to get:

but

what class is this for i can then