
Sums of cubes can be factored as

So

The known figures that make up this unknown figure are a trapezoid and a half circle.
Answer:
x=1
Step-by-step explanation:
Since the four is negative, you'd add four to both sides. Negative three plus four is positive 1. Therefore x equals one.
x+-4=-3
+4 +4
x=1
Each bicycle gives a profit of around 60 dollars.
2400/60= 40
The store must sell around 40 bicycles every month.