Question

(b-7)²
answer of it
if you do it
you got 10 point​

Answer 1

Answer:

(b-7)2 b²+49 − 14b =b² 14b +49 (x−y)² = x² + y² 2xy

Answer 2

Answer:

$(b-7)^2\\= (b-7)(b-7)\\= b(b - 7) - 7(b - 7)\\= b^2 - 7b - 7b + 7^2\\= b^2 - 14b + 49$

or

$(b - 7)^2\\= (b)^2 - 2(b)(7) + (7)^2\\= b^2 - 14b + 49$

mark my answer as brainliest