Question

Evaluate using suitableIdentities.


(b – 7)2​

Answer 1

Step-by-step explanation:

(x-y)²= x²- 2xy + y²

answer

b²- 2(b) (7) + (7)²

b²-2(7b) + 49

b²-14b +49

hope it's help you

Answer 2

Answer:

b 1/14

Step-by-step explanation:

b- 7* 2

b- 14

Here,14 is in subtraction form so,

b 1/14