x^2-2x+5=0 using quadratic formula
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Step-by-step explanation:
- Solve Using the Quadratic Formula x^2-2x-5=0
- x
- 2
- −
- 2
- x
- −
- 5
- =
- 0
- Use the quadratic formula to find the solutions.
- −
- b
- ±
- √
- b
- 2
- −
- 4
- (
- a
- c
- )
- 2
- a
- Substitute the values
- a
- =
- 1
- ,
- b
- =
- −
- 2
- , and
- c
- =
- −
- 5
- into the quadratic formula and solve for
- x
- .
- 2
- ±
- √
- (
- −
- 2
- )
- 2
- −
- 4
- ⋅
- (
- 1
- ⋅
- −
- 5
- )
- 2
- ⋅
- 1
- Simplify.
- Tap for more steps...
- x
- =
- 1
- ±
- √
- 6
- The result can be shown in multiple forms.
- Exact Form:
- x
- =
- 1
- ±
- √
- 6
- Decimal Form:
- x
- =
- 3.44948974
- …
- ,
- −
- 1.44948974
- …
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