(5+х) ^2 =
(1-3х) ^2=
(3а-10b) ^2=
(5m+3n)(3n-5m) =
Помогите ПОЖАЛУЙСТА
(1-3х) ^2=
(3а-10b) ^2=
(5m+3n)(3n-5m) =
Помогите ПОЖАЛУЙСТА
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Answers & Comments
Ответ:
(5+х)^2=25+2x
(1-3x)^2=1+9x
(3a-10b)^2=9a+100b
(5m+3n)(3n-5m)=15mn-25m^2+9n^2-15nm
Объяснение: