Answer:
x = [tex]i\sqrt{55} , -i\sqrt{55}[/tex]
Step-by-step explanation:
x^2 + 8^2 = 9
Simplify the 8^2
x^2 + 64 = 9
Subtract 64 from both sides
x^2 = -55
Take the square root from both sides
x = +/- [tex]\sqrt{-55}[/tex]
Simplify
x = [tex]i\sqrt{55} , -i\sqrt{55}[/tex]
Hope this helps!
