How do I show kids how to find all the zeros for polynomials degree 4 and bigger.
r(x) = x5-11x3-7x2+77 = (x2-11)(x3-7) and s(x) = x4-121 = (x2-11)(x2+11)
Also am I correct when I say that the following are irreducible?
f(x) = x2-11
g(x) = x3-7
h(x) = x4-5