Solve the quadratic equation 3x² + x - 5 = 0
Answers
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Step-by-step explanation:
3x² + x - 5 = 0
Use the quadratic formula to find the solutions.
−
b
±
√
b
2
−
4
(
a
c
)
2
a
Substitute the values
a
=
3
,
b
=
1
, and
c
=
−
5
into the quadratic formula and solve for
x
.
−
1
±
√
1
2
−
4
⋅
(
3
⋅
−
5
)
2
⋅
3
Simplify.
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x
=
−
1
±
√
61
6
The result can be shown in multiple forms.
Exact Form:
x
=
−
1
±
√
61
6
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