Question

factorise and solve

Answer 1

ok, there's a rule
if co-efficients of even powers of x = co-efficients of odd powers of x
then x+1 is the factor.
is this tru for your expression ?

Answer 2

so , i have put one value which would satisfy this euation

Answer 3

i got it
then by long div method
i have to solve it

Answer 4

yes.

Answer 5

i have solved , but remainder is cmg
6, plse cross check

Answer 6

show your work ? i'll help you spot the error,