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Popular >

2x^2-7x-2=0

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Solution

2x2−7x−2=0

Solution

x=47+65​​,x=47−65​​
+1
Decimal Notation
x=3.76556…,x=−0.26556…
Solution steps
2x2−7x−2=0
Solve with the quadratic formula
x1,2​=2⋅2−(−7)±(−7)2−4⋅2(−2)​​
(−7)2−4⋅2(−2)​=65​
x1,2​=2⋅2−(−7)±65​​
Separate the solutionsx1​=2⋅2−(−7)+65​​,x2​=2⋅2−(−7)−65​​
x=2⋅2−(−7)+65​​:47+65​​
x=2⋅2−(−7)−65​​:47−65​​
The solutions to the quadratic equation are:x=47+65​​,x=47−65​​

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Frequently Asked Questions (FAQ)

  • What are the solutions to the equation 2x^2-7x-2=0 ?

    The solutions to the equation 2x^2-7x-2=0 are x=(7+sqrt(65))/4 ,x=(7-sqrt(65))/4
  • Find the zeros of 2x^2-7x-2=0

    The zeros of 2x^2-7x-2=0 are x=(7+sqrt(65))/4 ,x=(7-sqrt(65))/4
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