Question

square of (b-7)² ______​

Answer 1

Step-by-step explanation:

b² + 49 - 14b is the answer .

Hope it helps U dear ....

Answer 2

$Solution \:$

Formula :

(a-b)² = a² - 2ab + b²

Answer :

(b-7)²

= b² - 2.b.7 + 7²

= b² - 14b + 49

Therefore, the answer is b² - 14b + 49