Answer:
x = ± 
Step-by-step explanation:
Given
x² = 20 ( take the square root of both sides )
x = ± 
which can be simplified to
x = ± 2
[ ± means plus or minus ]
According to the fundemintal counting princable the answer is 18.
Answer: Ola
Step-by-step explanation:
4292
Step-by-step explanation:
there happy that was easy to be honest
Answer:
q=10
Step-by-step explanation:
-10+10q=9q
-10=-q
q=10