show that X - 2 and X + 3 are the factors of x^3-x^2- 10x + 24
Share
show that X - 2 and X + 3 are the factors of x^3-x^2- 10x + 24
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
(2)^3 - 2^2 - 20 +24=8-4-20+24=8
(-3)^3 - (-3)^2 +30 +24=-27-9+30+24=18
They are not factors of the equation.
Q2)x^2 + 1/x^2=66
(x-1/x)^2=x^2 + 1/x^2 - 2
x- 1/x = rt64=8