Question

find square of 93 by using identity (a+b) square

Answer 1

Answer:

8694

Step-by-step explanation:

93 ^2= (100-7)^2

10000+49-1400

8694

Answer 2

Step-by-step explanation:

(90 + 3)²

90²+3²+ 2(90)(3)

8100 + 9 + 540

8649