Question

expand the following equation (5-b)²​

Answer 1

Step-by-step explanation:

( 5 - b )²

it is in the form of (a - b)² = a² - 2ab + b²

5² - 2 (5)(b) + b²

25 - 10b + b²

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Answer 2

Answer:

b²-10b +25

Step-by-step explanation:

(5-b)² = (5)² + (b)² - 2(5)(b)

[From formula (a-b)² = (a)² + (b)² - 2ab]

= 25 +b² - 10b