Question

Show that(x-4)is a factor of x³-3x²-10x+24

Answer 1

Answer:

put x=4 if it comes 0 then it's factor

Answer 2

x-4=0

x=4

now putting x=4

x(4)=(4)^3-3(4)^2-10(4)+24

x(4)=64-48-40+24

x(4)=88-88

x(4)=0