Решить уравнения.Задание на картинках
A) 4*(c+5)=c+24c+5=c^2+4c+
c^2-1=0
c=+1 и c=-1
Б)d^2-2d+1=d+5d^2-3d-4=0
D=9+16=25d1=(3+5)/2=4d2=(3-5)/2=-1Г) 3u+1-4-u+1=0
2u-2=0
2u=2
u=1
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
A) 4*(c+5)=c+2
4c+5=c^2+4c+
c^2-1=0
c=+1 и c=-1
Б)d^2-2d+1=d+5
d^2-3d-4=0
D=9+16=25
d1=(3+5)/2=4
d2=(3-5)/2=-1
Г) 3u+1-4-u+1=0
2u-2=0
2u=2
u=1