Jika a= -5, b= -2,dan c= 3.Maka berapakah nilai a pangkat 2 dikurangi 2b dikurangi c?

A^2-2b – c
= (-5)²- 2(-2) -3
= 25 + 4 – 3
= 26

-5 pangkat 2 – 2×(-2) – 3
25 – (-4) – 3
25 + 4 – 3
29 – 3
26