Question

a+b-c=5 and a+b+c= 29 find values of ab-bc-ca

Answer 1

Hello friend,
Here's your answer:

It depends upon ab value.
Answer is ab - 204
Explanation is in the pic.


Hope my answer helps you.

Answer 2

heya buddy

here is your answer

in the given pic

it can be solved in different ways

this is one of the method which can be use to solve this prblm


thanks !!!

have a great day

hope it helped you