Question

Factoring trinomials 5x^2 +14x-3

Answer 1

For a polynomial of the form
a
x
2
+
b
x
+
c
a
x
2
+
b
x
+
c
, rewrite the middle term as a sum of two terms whose product is
a
⋅
c
=
5
⋅
−
3
=
−
15
a
⋅
c
=
5
⋅
-
3
=
-
15
and whose sum is
b
=
−
14
b
=
-
14