Question

please answer it correctly only .​

Answer 1

Answer:

-9.5425

Step-by-step explanation:

I have attached the photo of solution for your reference.

I hope this will help you.

Thank you.

Happy to help.

Answer 2

Answer:

-9.5425

I have attached the answer

We need to use the identity :

(a+b)(a-b)=a²-b²

and simply solve the problem

Thank you