Question

Please tell me the answer I'll mark you as the brainlist please tell me the answer fast as soon as possible I'll give 20 marks please​

Answer 1

1) - 5

2) - 6

3) 10

4) - a

5) - a

While multiply different integers, multiply the numbers normally and add negative sign. While multiplying same integers, multiply the numbers normally and add positive integer

Hope it helps ☺️