Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Which of the following expressions is equivalent to
x
2
+
5
x
+
4
x
+
2
\dfrac{x^{2}+5x+4}{x+2}
x
+
2
x
2
+
5
x
+
4
for all
x
≠
−
2
x\neq -2
x
=
−
2
? a)
x
+
3
+
2
x
+
2
x+3+\dfrac{2}{x+2}
x
+
3
+
x
+
2
2
b)
x
+
2
+
3
x
+
2
x+2+\dfrac{3}{x+2}
x
+
2
+
x
+
2
3
c)
x
+
3
−
2
x
+
2
x+3-\dfrac{2}{x+2}
x
+
3
−
x
+
2
2
d)
x
+
7
+
18
x
+
2
x+7+\dfrac{18}{x+2}
x
+
7
+
x
+
2
18
Browse the problem library