Answer: it is rational
Step-by-step explanation:
Factor x^3 -2x^2-9x+18
= x^2(x - 2) - 9(x - 2)
= (x^2 - 9)(x -2)
= (x + 3 )(x - 3)(x - 2)
So (x+3) is a factor
Answer:
We can't set up a proportion to solve for x in a percent equation. For example, 34/100=5/x