Предмет: Алгебра, автор: Аноним

(m+3)^2-(m-2)(m+2) упростите)

Ответы

Автор ответа: lidusya13

m^2+6m+9-m^2+4=6m+13

Автор ответа: tikktak11

m²+6m+9-m²-4=6m+5
Пояснення
Першу дужку(м+3)² ми розкриваємо за форумулою скороченого множення.А саме
(а+б)²=а²+2аб+б²,тобто м²+6м+9
Другу дужку також за формулою скороченого множення.Тобто а²-б²=(а+б)(а-б)
м²-4.

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