решите дискриминант
x^2-70x+600 =0

D = 4900 - 2400 = 2500 = 50^2 X1 = ( 70 + 50 ) : 2 = 60 X2 = ( 70 - 50 ) : 2 = 10

а=1 b=-70 c=600D=b^2-4ac= 4900-2400=2500x1=(-b+√D)/2a=(70+50)/2=60x2=(-b-√D)/2a=(70-50)/2=10Ответ: 10;60