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Adding and Subtracting Rational Expressions with Common Denominators
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Adding and Subtracting Rational Expressions with Common Denominators
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8. Rational Expressions and Equations / Adding and Subtracting Rational Expressions with Common Denominators / Problem 3
Problem 3
Which of the following is the least common denominator (LCD) for
5
x
x
2
−
9
\(\frac{5x}{x^2-9}\)
and
3
x
+
3
\(\frac{3}{x+3}\)
?
A
x
2
−
9
x^2 - 9
B
x
+
3
x + 3
C
x
−
3
x - 3
D
x
−
9
x-9
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