solve the following equation by using quadratic formula
x^2+5x+5=0
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Answers
Answer:
Use the quadratic formula to find the solutions.
−
b
±
√
b
2
−
4
(
a
c
)
2
a
Substitute the values
a
=
1
,
b
=
5
, and
c
=
5
into the quadratic formula and solve for
x
.
−
5
±
√
5
2
−
4
⋅
(
1
⋅
5
)
2
⋅
1
Simplify.
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x
=
−
5
±
√
5
2
Simplify the expression to solve for the
+
portion of the
±
.
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x
=
−
5
−
√
5
2
Simplify the expression to solve for the
−
portion of the
±
.
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x
=
−
5
+
√
5
2
The final answer is the combination of both solutions.
x
=
−
5
−
√
5
2
,
−
5
+
√
5
2
The result can be shown in multiple forms.
Exact Form:
x
=
−
5
−
√
5
2
,
−
5
+
√
5
2
Decimal Form:
x
=
−
1.38196601
…
,
−
3.61803398
…
Step-by-step explanation:
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Step-by-step explanation:
first find the value of a, b and c and then simply put in formula
