Question

if x^4+lm^3+mx^2+12x+9 find the value of l and m?​

Answer 1

Answer:

i think the qs is wrong...i m not sure..bt the question is x^4+lx^3+mx^2+12x+9

for this qs here the ans

Step-by-step explanation:

i am not sure..i think so that is the answer..