Step-by-step explanation:
❉ 
❉ 
Plug the value of x and simplify :
⟿ 
Add the numbers : 4 and 5
⟿ 
Multiply 7 by 9
⟿ 

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It represented a vertical line that no matter what y is, x is always 6
Answer: A
Step-by-step explanation:
X=(2±√4-12)/2
X=(2±2i√2)/2
x1=1+i√2
x2=1-i√2
Answer:
D
Step-by-step explanation:
I took an educated guess, I remember doing this.