Question

using remainder theorem show that (x-5) is a factor of x³-4x-30​

Answer 1

Answer:

hello dear sis/bro

Step-by-step explanation:

Simple x=5

then in place of x put 5

then you get

5^3-3(5)^2-4(5)-30

after solving this you will get

0

then it is the factor of the given polynomial

Answer 2

Answer:

Step-by-step explanation:

put  X=5   in the equation  

if you get zero then it is your answer .

as simple as