Автор - adtvdee

Решите уравнение (x+2)(x-3)-3=(x+1)^2 дам 35 баллов

Ответ

Автор - VоЛk

(x  + 2)(x - 3) - 3 =  {(x + 1)}^{2} \  {x}^{2}    +  2x - 3x  -  6 - 3 =  {x}^{2}  + 2x + 1  \  {x}^{2}  -x - 9 =  {x}^{2}  + 2x + 1 \  - 3x = 10 \ x =  -  dfrac{10}{3}   \  \


Ответ: -10/3 = -3 целых 1/3

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