Question

(Xp² - 4) (Xp² - 2) simplify using identity​

Answer 1

Answer:

(3a−21)(3a−21)=(3a−21)2

using identity (a−b)2=a2−2ab+b2

(3a−21)2=(3a)2−2×3a×21+(21)2

(3a−21)2=9a2−3a+41