The quadratic function f(x) = x^2 + 8x + 17 is equal to zero when x - a + bi
1 answer:
Answer:
x
2
−
8
x
−
17
=
0
Use the quadratic formula to find the solutions.
−
b
±
√
b
2
−
4
(
a
c
)
2
a
Substitute the values
a
=
1
,
b
=
−
8
, and
c
=
−
17
into the quadratic formula and solve for
x
.
8
±
√
(
−
8
)
2
−
4
⋅
(
1
⋅
−
17
)
2
⋅
1
Simplify.
Tap for more steps...
x
=
4
±
√
33
The result can be shown in multiple forms.
Exact Form:
x
=
4
±
√
33
Decimal Form:
x
=
9.74456264
…
,
−
1.74456264
…
Step-by-step explanation:
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