Factor completely.
6x^2 – 18x – 60 =

Factor
6
6
out of
6
x
2
6
x
2
.
6
(
x
2
)
−
18
x
−
60
6
(
x
2
)
-
18
x
-
60
Factor
6
6
out of
−
18
x
-
18
x
.
6
(
x
2
)
+
6
(
−
3
x
)
−
60
6
(
x
2
)
+
6
(
-
3
x
)
-
60
Factor
6
6
out of
−
60
-
60
.
6
x
2
+
6
(
−
3
x
)
+
6
⋅
−
10
6
x
2
+
6
(
-
3
x
)
+
6
⋅
-
10
Factor
6
6
out of
6
x
2
+
6
(
−
3
x
)
6
x
2
+
6
(
-
3
x
)
.
6
(
x
2
−
3
x
)
+
6
⋅
−
10
6
(
x
2
-
3
x
)
+
6
⋅
-
10
Factor
6
6
out of
6
(
x
2
−
3
x
)
+
6
⋅
−
10
6
(
x
2
-
3
x
)
+
6
⋅
-
10
.
6
(
x
2
−
3
x
−
10
)

1.5 + or - 2.784

Step-by-step explanation:

Use quadratic formula.

A = 6

B = -18

C = -60

108 degrees because angle 2 plus angle 1 makes a straight line which is 180