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Grade 8 Algebra: Combining Like Terms
Name: ______________________
Date: ____________
Score: ____ / 6
Level 3
Variables with exponents and fractions
1.
Simplify:
3
x
2
+
4
x
−
x
2
+
2
x
3x^2 + 4x - x^2 + 2x
3
x
2
+
4
x
−
x
2
+
2
x
2.
Simplify:
5
a
2
−
3
a
+
2
−
2
a
2
+
a
5a^2 - 3a + 2 - 2a^2 + a
5
a
2
−
3
a
+
2
−
2
a
2
+
a
3.
Simplify:
1
2
x
+
3
4
x
\tfrac{1}{2}x + \tfrac{3}{4}x
2
1
x
+
4
3
x
4.
Simplify:
0.6
y
−
1.5
+
0.4
y
+
2
0.6y - 1.5 + 0.4y + 2
0.6
y
−
1.5
+
0.4
y
+
2
5.
Simplify:
2
x
y
+
3
x
−
5
x
y
+
x
2xy + 3x - 5xy + x
2
x
y
+
3
x
−
5
x
y
+
x
6.
Simplify:
4
m
2
n
−
m
n
2
+
2
m
2
n
+
3
m
n
2
4m^2n - mn^2 + 2m^2n + 3mn^2
4
m
2
n
−
m
n
2
+
2
m
2
n
+
3
m
n
2
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