Question

tho
(c) Find the values of a and b if (x + 1) and (x + 2) are the factors of the
polynomial x3 + ax2 - 6x + 10. Hence, factorise the expression
[4]
completely.​

Answer 1

Answer:

x3+ax2-6x+10

5ax^2-6x+10

5ax^2+4x

so,a=5ax^2

b=4x