Operating with Rational Expressions
Algebra · Flashcards · Application
ALGEBRA · FLASHCARDS
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QUESTION
What is
1
x
+
1
x
\frac{1}{x}+\frac{1}{x}
x
1
+
x
1
simplified?
QUESTION
What is
x
x
−
1
÷
x
+
2
x
−
1
\frac{x}{x-1}\div\frac{x+2}{x-1}
x
−
1
x
÷
x
−
1
x
+
2
simplified?
QUESTION
What value must be excluded when simplifying
(
x
−
3
)
(
x
+
1
)
x
−
3
\frac{(x-3)(x+1)}{x-3}
x
−
3
(
x
−
3
)
(
x
+
1
)
?
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ANSWER
x
≠
3
x\neq 3
x
=
3
. The factor
(
x
−
3
)
(x-3)
(
x
−
3
)
in original expression cannot equal zero.
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