Question

4) a ²-6² = (a-b) (a+b)
(2) (a+b) ² = a ² + 2ab + b²
2
2
3) [a-b)² =a² - 2ab +6²
[4] [a+b)^²=a²³43a²b+3ab² +6²
5) la-W²=a²-39²³b+3ab²-6²
6) a³ + ³ = (a+b) (a²-ab+6²)
7) a ³²-b³²= (a - b) [a² + ab + b²)​

Answer 1

Ответ:

12

22

233

56

6

5

5

4

3

4

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