Write 4/x+2 + 3/x-2 as a single fraction in its simplest form

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Me find the value of x each figure.