Explanation:
The expression in factored form is 5(q-20)(q-80).
The numbers 20 and 80 represent the values of q that make the expression equal to zero.
Setting the expression equal to zero, we get:
5(q-20)(q-80) = 0
This means that either (q-20) = 0 or (q-80) = 0, since the product of two factors is zero if and only if at least one of the factors is zero.
Solving for q in each case, we get:
q-20 = 0 -> q = 20
q-80 = 0 -> q = 80
Therefore, the numbers 20 and 80 represent the values of q that make the profit equal to zero (i.e., the break-even points). If Games 'n' Mods builds and sells fewer than 20 or more than 80 computers, it will operate at a loss. If it builds and sells between 20 and 80 computers, it will make a profit.