Answer:
your answer is a complex number making your question wrong
Step-by-step explanation:
First z²+z+20=0, just to make it a quadratic equation, so we can use the quadratric formula:
x=( -b±√b²-4ac)/2a
so to find a b and c we compare
YOUR QUESTION SHOULD BE Z² +Z-20=O.
Answer: an=8+(n-1)(-6) .
Both 38 and 58 are even so they both can be divided by 2,
38/58
19/29
that is in the simplest form
please write this question in English then I give answer
