Ответ:
x1 = 2.50
x2 = -0.20
Пошаговое объяснение
(2x-5)(5x+1)=0
10X²+2x-25x-5=0
10X²-23x-5=0
a = 10 b = -23 c = -5
D=(b)²-4*a*c = 529-4*10*-5 = 529+200 = 729
x1=-b+√D / 2*a = 23+√729 / 20 = 2.50
x2=-b-√D / 2*a = 23-√729 / 20 = -0.20
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
x1 = 2.50
x2 = -0.20
Пошаговое объяснение
(2x-5)(5x+1)=0
10X²+2x-25x-5=0
10X²-23x-5=0
a = 10 b = -23 c = -5
D=(b)²-4*a*c = 529-4*10*-5 = 529+200 = 729
x1=-b+√D / 2*a = 23+√729 / 20 = 2.50
x2=-b-√D / 2*a = 23-√729 / 20 = -0.20