Question

Find the value of m and n if (x-1) and (x+2) are factors of x^3+7x^2+mx+n

Answer 1

therefore x= 1 and x=2 satisfies the given equation
therefore substitute 1 and 2 in the places of x and u will get two equations and then u can solve them

Answer 2

Heya!!

Thanks for asking the question.

Pls refer to the attachment for the solution.

Hope it helps you : )