Question

ДАЮ 20 БАЛЛОВ! ОЧЕНЬ НУЖНО БЫСТРЕНЬКо!

Answer 1

ответ:-2*4=-8..........

Answer 2

$(x-1)^{4}-x^{2} +2x-73=0\\\\(x-1)^{4} -(x^{2} -2x+1)-72=0\\\\(x-1)^{4}-(x-1)^{2}-72=0\\\\(x-1)^{2}=m, \ m\geq0\\\\m^{2}-m-72=0\\\\m_{1}=9\\\\m_{2}=-8<0-neyd\\\\(x-1)^{2} =9\\\\\left[\begin{array}{ccc}x-1=-3\\x-1=3\end{array}\right\\\\\\\left[\begin{array}{ccc}x_{1}=-2 \\x_{2}=4 \end{array}\right$

Произведение корней равно :  - 2 * 4 = - 8