Factor the numerator and the denominator of a rational expression using advanced methods, and cancel out common terms.

Problem

Simplify the following rational expression and express in expanded form.
start fraction, x, start superscript, 4, end superscript, minus, 2, x, start superscript, 3, end superscript, plus, x, start superscript, 2, end superscript, divided by, 14, x, start superscript, 4, end superscript, minus, 8, x, start superscript, 3, end superscript, minus, 6, x, start superscript, 2, end superscript, end fraction, equals
Which real values of x make the expression undefined?
Select all that apply.
Select all that apply.
Get 3 answers correct in a row