Question

Решите дискриминант x^2-70x+600 =0

Answer 1

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

Answer 2

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