How many countries gained their independence from england

Colonies Country Date Year of Independence Notes Afghanistan 19 August 1919 Anglo-Afghan Treaty of 1919 Antigua and Barbuda 1 November 1981 Australia 1 January 1901 Australia Act 1986 Papua New Guinea gained independence from Australia on 16 September 1975.

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