a question 11 polynomials question that i got wrong : ( (1 Viewer)

[synthesisFR]

would it be wrong to say that since its odd, and if x+4 is a factor then x-4 is also a factor???

 

[synthesisFR]

i did similar to that unfactorised form and got it wrong :/

 

[liamkk112]

let p(x) = ax^3 + bx (coz only odd powers if odd) then just plug in the conditions they gave u to solve for a and b