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ekaterinabragi
@ekaterinabragi
July 2022
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выполните преобразование -(5а+3б)в квадрате
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DREAM101
Выражение: -(5*a+3*b)^2
1. (5*a+3*b)^2=25*a^2+30*a*b+9*b^2
2. -(25*a^2+30*a*b+9*b^2)=-25*a^2-30*a*b-9*b^2
Ответ: -25*a^2-30*a*b-9*b^2
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Answers & Comments
1. (5*a+3*b)^2=25*a^2+30*a*b+9*b^2
2. -(25*a^2+30*a*b+9*b^2)=-25*a^2-30*a*b-9*b^2
Ответ: -25*a^2-30*a*b-9*b^2