Answer:

Step-by-step explanation:
We have the expression:

To solve this equation we must factor:
1.- Take common factor x.

2.- Evaluate the expressions to know when they are equal to 0.
or 
or 
3.- The solutions are:

Answer:
5–3 = 2
8–5 = 3
12–8 = 4
17–12 = 5
x-17 should be 6, hence x = 6+17 = 23.
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
He can make 14 whole dumplings