126k views
5 votes
-12-2x<-3x+2<-2(x-7)

2 Answers

4 votes

(
3
x
+
2
)
(
x

7
)
(
3
x
+
2
)
(
x
-
7
)
Expand
(
3
x
+
2
)
(
x

7
)
(
3
x
+
2
)
(
x
-
7
)
using the FOIL Method.
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3
x
x
+
3
x


7
+
2
x
+
2


7
3
x
x
+
3
x

-
7
+
2
x
+
2

-
7
Simplify and combine like terms.
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3
x
2

19
x

14
User King Julien
by
5.2k points
1 vote


x < 14 \\ x > - 12
User Jmav
by
5.9k points