Simplify the following rational expression.
\dfrac{6x^3}{15x^4 -60x^3}=
15x
4
−60x
3

6x
3


=start fraction, 6, x, cubed, divided by, 15, x, start superscript, 4, end superscript, minus, 60, x, cubed, end fraction, equals
Which values of xxx make the expression undefined?
Choose all answers that apply:
Choose all answers that apply:

Step-by-step explanation:

x = 4 makes the expression undefined.

Because at x = 4 denominator becomes zero, which makes the expression undefined.

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x

b. 153 students do not participate in sports and seventy-five 12th graders were surveyed