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Laster_Alex

Z12

Sep 17th, 2023
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  1. Так же разложим:
  2. $$\left\{\begin{array}{l}x+3\ge 0\\ 49+4x-{x}^{2}={\left(x+3\right)}^{2}\end{array}\right.\Rightarrow \left\{\begin{array}{l}x\ge -3\\ 2{x}^{2}+2x-40=0\end{array}\right.\Rightarrow \left\{\begin{array}{l}x\ge -3\\ x=-5;4\end{array}\right.\Rightarrow x=4$$
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  5. Ответ:
  6. 4
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