Answer: (x+4)^2 -1
Step-by-step explanation:
Answer:
Step-by-step explanation:To square a fraction, you first square the numerator and then the denominator. Eg:
3/5 squared is 9/25.
Same Wise, to cube a fraction. Eg:
What is 2/3 cubed? 8/27
Complex numbers emerge when you take the square root of a negative number, since the imaginary unit
is defined by the relation
, which implies 
The only option involving the square root of a negative number is the last one.