sub x=1 into f(x),
remainder= 1^3+2(1)^2-5(1)-6= -8
since remainder≠0, x=1 is not a root of the function
sub x=-1,
remainder = (-1)^3+2(-1)^2-5(-1)-6= 0
by remainder theorem,
x=-1 is a root of f(x)
hence, the correct ans is c
Answer:
26
Step-by-step explanation:
its not
Answer:
5
Step-by-step explanation:
-30÷(-6) is the same as 30÷6
30÷6=5
30 seconds, half a minute.
