Question

If X + 2 is the factor of x square + a x + 2 then

Answer 1

Answer:

a=3

Step-by-step explanation:

x+2=o

or, x=-2

let, p(x) =x^+ax+2

p(-2) =(-2) ^-2a+2

=4+2-2a

=6-2a

ATQ

6-2a =o

or,2a=6

or, a=3