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Автор - kabaevshamil13

помогите пожалуйста ​хоть чучуть решите

Ответ

Автор - arseniy2005aa

это формулы сокращенного умножения.

1) = Х'2 + 18x + 81

2) = 100 - 10y'2 + y'2

3) = a'3 + 6a + 12a + 8

и так далее.

Вот тебе сами формулы, потом просто подставишь:

(a+b)'3 = a'3 + 3a'3b + 3ab'3 + b'3

(a-b)'3 = a'3 - 3a'3b + 3ab'3 - b'3

a'2+b'2 = (a+ b)(a-b)

(a+b)'2 = a'2 + 2ab + b'2

(a-b)'2 = a'2 - 2ab + b'2

a'3 + b'3 = (a+b)(a'2 - ab + b'2)

a'3 - b'3 = (a-b)(a'2 + ab + b'2)

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