X²-3x-√x+4=0 quadratic equation or not
Answers
Answered by
2
Answer:
Step-by-step explanation:
Explanation:
x
2
−
3
x
−
4
=
0
is of the form
a
x
2
+
b
x
+
c
=
0
, with
a
=
1
,
b
=
−
3
and
c
=
−
4
.
The quadratic formula gives us solutions:
x
=
−
b
±
√
b
2
−
4
a
c
2
a
=
3
±
√
3
2
−
(
4
×
1
×
−
4
)
2
⋅
1
=
3
±
√
9
+
16
2
=
3
±
√
25
2
=
3
±
√
5
2
2
=
3
±
5
2
That is
x
=
−
1
or
x
=
4
Answered by
0
Answer:
it is not a quadratic equation.
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