Simplify the following rational expression.
x
2
−
16
x
+
64
4
x
2
−
36
x
+
32
=
4x
2
−36x+32
x
2
−16x+64
=start fraction, x, squared, minus, 16, x, plus, 64, divided by, 4, x, squared, minus, 36, x, plus, 32, end fraction, equals
x−8
4x−4
Which values of
x
xx make the expression undefined?
Choose all answers that apply:
Choose all answers that apply:
(Choice A)
A
x
=
1
x=1x, equals, 1
(Choice B)
B
x
=
8
x=8x, equals, 8
(Choice C)
C
x
=
−
9
x=−9x, equals, minus, 9
(Choice D)
D
x
=
−
4
x=−4x, equals, minus, 4
(Choice E)
E
None of the above