0
x2 - 2x - 5 = 0
By the quadratic equation,
x = {2 +/- sqrt[(-2)2 - 4*1*(-5)]}/2
= {2 +/- sqrt(4+20)}/2
=1 +/- sqrt(6)
What else can I help you with?
Continue Learning about Math & Arithmetic
Factor 2x5-18x3 equals 0?
2x^3(x - 3)(x + 3)
How do you factor x squared -2x-3 equals 0?
x squared -2x-3 equals 0 is the same as (x + 1)(x - 3) = 0
How do you solve x squared minus 10 equals 0?
If x squared -10 = 0 then x = the square root of 10
What is x squared -2x-3 equals 0?
x = -1 OR x = 3
Factor x squared - x equals 20?
(x+4)(x-5) = 0
Related Questions
Factor 2x5-18x3 equals 0?
2x^3(x - 3)(x + 3)
How do you factor x squared -2x-3 equals 0?
x squared -2x-3 equals 0 is the same as (x + 1)(x - 3) = 0
How do you solve x squared minus 10 equals 0?
If x squared -10 = 0 then x = the square root of 10
What is x when x squared plus x - 20 equals 0?
4, -5
What is x squared -2x-3 equals 0?
x = -1 OR x = 3
Factor x squared - x equals 20?
(x+4)(x-5) = 0
Factor x squared - 8x plus 15 equals 0?
(x-3)(x-5) = 0
Factor x squared - 12x plus 27 equals 0?
(x-3)(x-9) = 0
What are the values of x and y when x minus y equals 0 and x squared plus y squared equals 18?
(x, y) = (-3, -3) or (3, 3)
How do you solve 16t squared minus 9 equals 0?
Solve this problem -x squared -40x- 80 =0
What is the answer to 2x squared -2x -40 equals 0 is it x equals 5 and x equals -4?
Yes it is and well done.
What is the vertex when Y equals X squared - 3?
(0, -3)
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