Question

PLEASE I NEED HELP!!!!!!!!

Answer 1

Answer:

1) x= 3i, x= - 3i

2) x= +i$\sqrt{7}$, 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$\sqrt{7}$

x= +i$\sqrt{7}$, x = - i

hope this helps!! :))