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Math Drills
Rational expressions
Simplifying, multiplying and dividing
Practice 1
Rational expressions
Simplifying, multiplying and dividing
1 / 5
Basic
Choose the expression equal to this one.
x
2
−
4
x
2
+
4
x
+
4
\frac{x^{2} - 4}{x^{2} + 4x + 4}
x
2
+
4
x
+
4
x
2
−
4
1
−
1
x
+
1
-\frac{1}{x + 1}
−
x
+
1
1
2
x
−
2
x
+
2
\frac{x - 2}{x + 2}
x
+
2
x
−
2
3
x
+
2
x
−
2
\frac{x + 2}{x - 2}
x
−
2
x
+
2
4
x
−
2
2
\frac{x - 2}{2}
2
x
−
2
Answer
