Trinomial Factoring
7
x
2
-
57
x
+
8
=
7
x
2
-
x
-
56
x
+
8
=
x
(
7
x
-
1
)
-
8
(
7
x
-
1
)
=
(
7
x
-
1
)
(
x
-
8
)
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