Answer:
x^2 - 14x = 0
Step-by-step explanation:
x^2/2=7x
x^2=7x * 2
x^2=14x
10
AC is not equal to BC
AB=BC
this is just math jargon... a conjugate is the same numbers but with an opposite sign.. got it?
z1' ( the prime is often used for conjuates it's also used in calculus but later)
Z1' =8-i