Step-by-step explanation:
yifhkdtjayixyrsyisjdyjdrtdgjz
Answer:
Step-by-step explanation:

Answer:
d x=+-3
Step-by-step explanation:
divide both sides by 2
Answer:
1) x= 3i, x= - 3i
2) x= +i
, x = - i
Step-by-step explanation:
1) x^2+9=0
(x+3i)(x-3i)=0
x= 3i, x=-3i
2) x^2-4=-11
x^2=-7
x= ±i
x= +i
, x = - i
hope this helps!! :))
Answer:
4x+y=12
Step-by-step explanation:
its the only one that is positive
and this is guess so don’t hate me if its wrong
hope this is right