Question

If a = 2, b = -2 find the value of:
a)
a2 + b2 - ab​

Answer 1

Answer:

2×2 =4 + -2 ×2 -4 - 2× -2 = -4 after calculation we get -4 is the answer

Answer 2

Answer:

answer is 4

Step-by-step explanation:

a2+b2-ab

2*2+(-2)*2-2(-2)

4 - 4 + 4

0 + 4

= 4