Question

expand $(x-2y+3z)^{2}$

Answer 1

Step-by-step explanation:

the number appearing each time as

shown below:

1 3 5 6 6 3 5 4

6

2 5 3 4 6 1

5

5 6 1

1 2 2 3 5 2 4 5 5 6

5 1 6 2 3 5 2 4 1 5

Make a table and enter the data using tally marks. Find the number