Trinomial Factoring
4
x
2
-
8
x
-
5
=
4
x
2
-
10
x
+
2
x
-
5
=
2
x
(
2
x
-
5
)
+
1
(
2
x
-
5
)
=
(
2
x
-
5
)
(
2
x
+
1
)
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Copyright © Dayal D. Purohit, Ph.D.(Mathematics)