ISEE Upper Level Mathematics Achievement Quiz
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ALGEBRAIC EXPRESSIONS AND EQUATIONS
Question 1
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A walkway's area is
3
x
2
+
12
x
3x^2+12x
3
x
2
+
12
x
. What is the first step in factoring
3
x
2
+
12
x
3x^2+12x
3
x
2
+
12
x
?
A
Factor out the GCF
3
x
3x
3
x
B
Use difference of squares immediately
C
Find two numbers multiplying to
3
3
3
D
Rewrite as
(
3
x
+
12
)
2
(3x+12)^2
(
3
x
+
12
)
2
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