Question

pls pls solve this Q pls ​

Answer 1

Answer:

GIVEN -

• ( b-7)^2

TO FIND -

• solution of this by using identity

SOLUTION -

Using identity (a-b)^2 = a^2 + b^2 - 2ab

here - a= b

b= (-7)

( b)^2 + (7)^2 - 2( b)(7)

b^2 + 49- 14b

# Be brainly

Answer 2

Step-by-step explanation:

using identity

(a-b)² = a²+b²-2ab

a = b

b = 7

(b-7)² = b²+49-14b

This is a correct answer