x²-3x-3=0 Solve the equation
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Algebra Examples
Popular Problems Algebra Solve Using the Quadratic Formula x^2-3x-3=0
x
2
−
3
x
−
3
=
0
Use the quadratic formula to find the solutions.
−
b
±
√
b
2
−
4
(
a
c
)
2
a
Substitute the values
a
=
1
,
b
=
−
3
, and
c
=
−
3
into the quadratic formula and solve for
x
.
3
±
√
(
−
3
)
2
−
4
⋅
(
1
⋅
−
3
)
2
⋅
1
Simplify.
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x
=
3
±
√
21
2
The result can be shown in multiple forms.
Exact Form:
x
=
3
±
√
21
2
Decimal Form:
x
=
3.79128784
…
,
−
0.79128784
…
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