Simplify
175 x 175 + 2 x 175 x 25 + 25 x 25
175 × 175 + 2 × 175 × 25 + 25 × 25 = 1752 + 2 × 175 × 25 + 252
= (175 + 25)2
= 2002
= 40000
Question 26
Size of the class 150 - 175 is:
(a) 150
(b) 175
(c) 25
(d) –25