Question

Please help me with these 3 questions..

NO SPAM OR OFF TOPIC OR RIDICULOUS ANSWERS, IF U DO SO, I WILL GET U BANNED!

Answer 1

Step-by-step explanation:

a = 2, b = -2

1. a²+b²

= 2² + (-2)²

= 4 + 4

= 8

2. a² + ab + b²

= 2² + 2×-2 + (-2)²

= 4 -4 + 4

= 8 - 4

= 4

3. a²-b²

= 2² - (-2)²

= 4 - 4

= 0