Question

evaluate using identity: 197x197–3x3 /197−3

Answer 1

Step-by-step explanation:

197×197-3×3/197-3

197-3×3-3

197+3=9

200-9

191

Answer 2

Answer:

197x197–3x3 /197−3

(197-3) x (197+3) / (197-3) ( CANCEL 197-3 in the denominator and 197-3 in the numerator )

197+3 = 200 (simplify)

HOPE YOU LEARN :)

Step-by-step explanation:

this is the identity where

(a-b)(a+b) = a²-b²