Question

please solve this irrelevant answer will be reported ​

Answer 1

Answer:

-2

Step-by-step explanation:

this is in the form of (a+b)(a-b)=a²-b²

here a= -3

        b= √5

Answer 2

Answer:

$( - 3 + \sqrt{5} ) \times ( - 3 - \sqrt{5} ) \\ ({ - 3})^{2} - ( { \sqrt{5}) }^{2} \\ 9 - 5 \\ 4 \\ {2 }^{2} = 4$