First the number of ways of selecting 3 students out of 8 is 8*7*6/(3*2*1)=56.
There are 6 ways of arranging the officers, so the total number of ways is 6*56=336
Answer:
x^2 + x = 42
Step-by-step explanation:
Let x = the number
Is means equals and sum means add
The sum of a number and its square is 42
x + x^2 = 42
This task has not been easy.