Factorise: p2−10p+25
p2−10p+25=(p)2−2×p×5+(5)2=(p−5)2 {∵ a2−2ab+b2=(a−b)2}
Factorize: p2+10p+25
Question 1(ii) Factorise the following expressions p2−10p+25
Factorise: p2+6p+8