The answer is -13 13/35.
Hope this helps & good luck. :)
Answer:
X=6
Step-by-step explanation:
its B
1) x= 3i, x= - 3i
2) x= +i, x = - i
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!! :))