Martin is two years older than Reese, and the same age as Lee. If Lee is 12, how old is Reese? but in algebraic form

I’m stuck on this i don’t understand.

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

What is the factored form of the following expressions? d^2 – 13d + 36