Respuesta :

For a polynomial of the form
a
x
2
+
b
x
+
c
a
x
2
+
b
x
+
c
, rewrite the middle term as a sum of two terms whose product is
a

c
=
5


3
=

15
a

c
=
5

-
3
=
-
15
and whose sum is
b
=

14
b
=
-
14