* - 2by + y² = b² - 2by + y² = (b - y)²
Ответ:
b^2
Объяснение:
b^2-2by+y^2= (b-y)^2
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Verified answer
* - 2by + y² = b² - 2by + y² = (b - y)²
Ответ:
b^2
Объяснение:
b^2-2by+y^2= (b-y)^2