The set of solutions of the quadratic equation x²+5x+6=0
Answers
Answered by
0
For a general form quadratic equation
a
x
2
+
b
x
+
c
=
0
you can determine its roots by using the quadratic formula
x
1
,
2
=
−
b
±
√
b
2
−
4
a
c
2
a
In your case,
a
=
1
,
b
=
−
5
, and
c
=
6
. This means that you have
x
1
,
2
=
−
(
−
5
)
±
√
(
−
5
)
2
−
4
⋅
1
⋅
6
2
⋅
1
x
1
,
2
=
5
±
√
1
2
x
1
,
2
=
5
±
1
2
The two roots will thus be
x
1
=
5
+
1
2
=
3
and
x
2
=
5
−
1
2
=
2
Answered by
1
Answer:
(x+2) (x+3) = 0
therefore x= -2, -3
hope it was helpful
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