Question

how to solve 23rd one plzzzzzzzzz help urgent

Answer 1

Process for Finding Rational Zeroes
1. Use the rational root theorem to list all possible rational zeroes of the polynomial P(x)
2.Evaluate the polynomial at the numbers from the first step until we find a zero. Let’s suppose the zero is x=r, then we will know that it’s a zero because P(r) =0. Once this has been determined that it is in fact a zero write the original polynomial as
P(x) =(x-r) Q(x)
3. Repeat the process using Q(x) this time instead of P(x). This repeating will continue until we reach a second degree polynomial. At this point we can solve this directly for the remaining zeroes.


The following fact will also be useful on occasion in finding the zeroes of a polynomial:
If P(x) is a polynomial then we know that P(a) > 0 and P(b) < 0, then somewhere between a and b is a zero of P(x).

Answer 2

Hey there..

plz refer to the attachment..
if it helped u,, plz mark as Brainliest.