Предмет: Математика, автор: viktoriarumanceva809

(x-3)(x+3)=24+x
help me please.
заранее спасибо​

Ответы

Автор ответа: zxee1q0846
1

Ответ:

Пошаговое объяснение:

x(в квадрате) +3х -3х -9 = 24+х (раскрываем скобки)

х(в квадрате) -х -9 -24=0

х(в квадрате) -х -33=0

D=1-4*1*-33=1+132=133 корень не извлекается

х1= 1+ корень из 133

х2=1-корень из 133

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