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Astro
Mathematics
15 February, 20:29
What is the solution set of the x^2+x-2>o
+2
Answers (
1
)
Conner Choi
15 February, 20:57
0
x
2
-
x
-
2
=
0
Factor
x
2
-
x
-
2
using the AC method.
Tap for more steps ...
(
x
-
2
)
(
x
+
1
)
=
0
Set
x
-
2
equal to
0
and solve for
x
.
Tap for more steps ...
x
=
2
Set
x
+
1
equal to
0
and solve for
x
.
Tap for more steps ...
x
=
-
1
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