What are the solutions of the quadratic equation (x – 8)2 – 13(x – 8) + 30 = 0? Use u substitution to solve. x = –11 and x = –18

it is a quadratic

where x-8 is the squared term

do

x-8=u

u^2-13u+30=0

solve

u=

u=

u=

u=

u=

u= or u=

u=10 or 3

10=x-8 or 3=x-8

18=x or 11=x

x=11 and/or 18

Step-by-step explanation:

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )

the answer is d

step-by-step explanation: