Find the am gm and hm of x2-12x+18=0
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Algebra Examples
Popular Problems Algebra Solve Using the Quadratic Formula x^2-12x-18=0
x
2
−
12
x
−
18
=
0
Use the quadratic formula to find the solutions.
−
b
±
√
b
2
−
4
(
a
c
)
2
a
Substitute the values
a
=
1
,
b
=
−
12
, and
c
=
−
18
into the quadratic formula and solve for
x
.
12
±
√
(
−
12
)
2
−
4
⋅
(
1
⋅
−
18
)
2
⋅
1
Simplify.
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x
=
6
±
3
√
6
The result can be shown in multiple forms.
Exact Form:
x
=
6
±
3
√
6
Decimal Form:
x
=
13.34846922
…
,
−
1.34846922
…
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