Solve the equation x²-3x-10 using formula
Answers
Answered by
1
Answer:
Step-by-step explanation:
Answer:
The solutions are:
x
=
2
x
=
−
5
Explanation:
x
2
+
3
x
−
10
=
0
The equation is of the form
a
x
2
+
b
x
+
c
=
0
where:
a
=
1
,
b
=
3
,
c
=
−
10
The Discriminant is given by:
Δ
=
b
2
−
4
⋅
a
⋅
c
=
(
3
)
2
−
(
4
⋅
1
⋅
(
−
10
)
)
=
9
+
40
=
49
The solutions are found using the formula
x
=
−
b
±
√
Δ
2
⋅
a
x
=
(
−
3
)
±
√
49
2
⋅
1
=
−
3
±
7
2
x
=
−
3
+
7
2
=
4
2
=
2
x
=
−
3
−
7
2
=
−
10
2
=
−
5
Answered by
0
Step-by-step explanation:
see it and try again urself
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