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polet [3.4K]
3 years ago
14

Write a polynomial that represents the area of the square 7n-5, plz help, thank you!

Mathematics
1 answer:
andrey2020 [161]3 years ago
7 0

Answer:

49n² - 70n + 25

Step-by-step explanation:

Area of a square = s²

Where,

s = side length = 7n - 5

Area of the square = (7n - 5)²

= (7n - 5)(7n - 5)

= 7n(7n - 5) -5(7n - 5)

= 49n² - 35n - 35n + 25 (distributive property of equality)

Add like terms

Area = 49n² - 70n + 25

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