Ркшите плз раскрытьскопки  (t+m)^2                                                        (t-3)^2                                                       (2t+1)^2                                                       (3m-2t)^2   ...

Ркшите плз раскрытьскопки  (t+m)^2                                                        (t-3)^2                                                       (2t+1)^2                                                       (3m-2t)^2                                                       (3m^2+t^3)^2   срочно!  
Гость
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Гость
(t+m)^2 =t^2+2mt+m^2 (t-3)^2=t^2-6t+9 (2t+1)^2=4t^2+4t+1 (3m-2t)^2=9m^2-12mt+4t^2  (3m^2+t^3)^2 =9m^4+6m^2t^3+t^6 
Гость
(t + m) ^2= t^2 + 2tm + m^2 (t-3)^2=t^2 - 6t + 9 (2t + 1)^2=4t^2 + 4 t+ 1  (3m - 2t)^2=9m^2-12mt+4t^2 (3m^2 + t^3)^2 = 9m^4 +6m^2t^3 + t^6            
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