Simplify the following rational expression. X^2- 16x +64
———————
4x^2 -36x+32
Which values of I make the expression undefined?

9514 1404 393

  (x-8)/(4x-4)  x ≠ 1 or 8

Step-by-step explanation:

Common factors can be cancelled, but cannot be ignored when it comes to determining where the function is undefined.

The function is undefined for x=1 and x=8, the values of x that make the original denominator zero.

27/4x^6 y^8

step-by-step explanation:

4(3x^2y^4)^3 (2x^3y^5)^4

=

108x^6 y^12 /16x^12 y^20

=

108 /16x^6 y^8

=

27 /4x^6 y^8