The average cost in 1990 is <span>$12,841.</span>
This equation is not factor-able, so we can use the quadratic formula.
x=(-11+square root(11^2-4(-12*-3)))/(2*-12)
x=(-11+square root(-23))/(-24)
Since we have the square root of a negative in this equation, there are no real roots for the quadratic.
Answer:
x-2
Step-by-step explanation:
(7x^2-14x)/7x
Distribute the 7
x-2
