Question

Please answer it friends please help me in maths​

Answer 1

Step-by-step explanation:

x+2=0

x= -2

p(x) = x^3 + ax^2+5

p(-2) = (-2)^3+a(-2)^2 +5

= -8 + 4a+5

p(-2)= 0 then

-8+4a+5 = 0

a= 3/4

p(-2)= (-2)^3-2(-2)^2+a

= -8 -2(4)+ a

= -16+a

p(-2) =0 then

a = 16