Question

If a = 7, b = 5, C = 3, then the value of a2 + b2 + c2-ab-bc - ca is​

Answer 1

Answer:

12 is the answer

Step-by-step explanation:

Hope it help

Answer 2

Answer:

7×2=14+5×2=10+3×2=6-7-5-5-3-3-7

Step-by-step explanation:

14+10+6=30

30-7-5-5-3-3-7

=0 Answer