Answer:
Step-by-step explanation:
(x + 3)² − 5 because :
(x + 3)² − 5 = x² +6x+9 -5 =x²+6x+4
<h3>Answer:</h3>
The cube of twice a number is
.
Answer:
BC=5 meters CD=5 meters
Step-by-step explanation:
If you make a number line with 4 points, you can put a letter at one point. If the whole thing equals 15 meters and there are three spaces you dived 15 by 3 and get your answer.
Hope that helps!