Which of the following choices is a example of thinking critically ?

i dont see any of the options but i can give an example of critical lthinking  

.You can have creative thinking, having an open mind , ability to solve problems and etc.

Explanation:

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