Answer:
here Multiply
−
4
by
1
.
x
=
6
±
√
36
−
4
⋅
−
27
2
⋅
1
Multiply
−
4
by
−
27
.
x
=
6
±
√
36
+
108
2
⋅
1
Add
36
and
108
.
x
=
6
±
√
144
2
⋅
1
Rewrite
144
as
12
2
.
x
=
6
±
√
12
2
2
⋅
1
Pull terms out from under the radical, assuming positive real numbers.
x
=
6
±
12
2
⋅
1
Multiply
2
by
1
.
x
=
6
±
12
2
Simplify
6
±
12
2
.
x
=
3
±
6
The final answer is the combination of both solutions.
x
=
9
,
−
3
Explanation: