Respuesta :

Length = (x - 5)

Explanation:
Area
=
Width × Length

x
2

14
x
+
45
=
(
x

9
)
× Length

Length =
x
2

14
x
+
45
(
x

9
)


Length =
(
x

5
)
(
x

9
)
(
x

9
)


Length =
(
x

5
)
(
x

9
)
(
x

9
)


Length =
(
x

5
)