solve the quadratic equation 2x2-3x-5=0
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Answer:
Explanation:
2
x
2
−
3
x
−
5
=
0
The quadratic formula is
x
=
−
b
±
√
b
2
−
4
a
c
2
a
.
This equation is in standard quadratic form, so we know that:
a
=
2
,
b
=
−
3
, and
c
=
−
5
.
Plug them into the equation and solve for
x
:
x
=
−
(
−
3
)
±
√
(
−
3
)
2
−
4
(
2
)
(
−
5
)
2
(
2
)
x
=
3
±
√
9
+
40
4
x
=
3
±
√
49
4
x
=
3
±
7
4
x
=
10
4
and
−
4
4
x
=
5
2
and
−
1
Hope this helps!
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