Trinomial Factoring
9
x
2
-
1
=
9
x
2
+
3
x
-
3
x
-
1
=
3
x
(
3
x
+
1
)
-
1
(
3
x
+
1
)
=
(
3
x
+
1
)
(
3
x
-
1
)
Algebra
Analytic Geometry
Differential Calculus
Integral Calculus
Home
Copyright © Dayal D. Purohit, Ph.D.(Mathematics)