Question

show that x + 4 into x + 3 and x minus 4 are the factors of x cube minus 3 x square - 10 x + 84​

Answer 1

Step-by-step explanation:

put all three factors equal to zero one by one

and find the value of x

now you have three different values of x

put them in cubic polynomial one by one

and check they simplified to zero or not.

if yes, yes they are the roots of cubic polynomial otherwise no.

if you get it well done

if not, message me i will give you the solution.