Ответ:
Объяснение:
x1+x2= 5
x1*x2= -13
x1x2-2(x1+x2)= -13-2*5= -23
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Ответ:
Объяснение:
x1+x2= 5
x1*x2= -13
x1x2-2(x1+x2)= -13-2*5= -23