Answer:
the answer is x^2+8x+ c
Step-by-step explanation:
If x
2
+
b
x
+
c is a perfect square, then there is always the same relation ship between b
and
c
"Find half of b and square it" , so c
=
(
b
/2
)
^2
x^
2
+
8
x
+
(
8/
2
)^2 =
x^
2
+
8
x
+
4^
2
=
x^
2
+
8
x
+
16 =
(
x
+
4
)
^2
I hope that helps you
