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Using the quadratic formula where a=2, b=1, c=-1
x = [-b +- SQRT (b2-4ac)]/2a
Plugging in the coefficients a,b,c we solve for x and get:
x = 1/2 and x = -1
What else can I help you with?
Given the equation fx equals 2x2 plus 4x plus 8 what is the solution by solving with the quadratic formula?
It can't be solved because its discriminant is less than zero
What are the solution to the quadratic equation below 12x2 plus 4x-50?
Without an equality sign the given expression can't be considered to be an equation but if it equals 0 then using the quadratic equation formula will give its solutions.
What is the solution to the quadratic equation x2 plus 10x plus 25 equals 7?
Using the quadratic equation formula: x = -5-/+ the square root of 7
Write a quadratic equation in the variable x having the given numbers as solutions Type the equation in standard form ax2 plus bx plus c equals 0 Solution 7 is the on solution?
0x2 + 1x - 7 = 0
What is the solution set for this quadratic equation 7x2 plus x equals 6?
The solution: x = 6/7 and x = -1
X2 plus 12x equals 100?
There is no integer solution. Quadratic formula gives x = -17.66 or 5.66
What are the first four steps in the derivation of the quadratic formula of ax2 plus bx plus c equals 0?
The first step is to show an example of the quadratic equation in question because the formula given is only the general form of a quadratic equation.
How do you solve 12x squared plus 9x plus 15 equals 0 with quadratic formula?
It can't be solved because the discriminant of the given quadratic equation is less than zero meaning it has no real roots.
What is the solution of the equation x2 plus 8x equals 4?
It will have two solutions because its a quadratic equation: x = -8.472135955 or x = 0.472135955
Is y equals x-xsquared plus 3 quadratic or linear?
Quadratic - the degree is two.
Is 2x2 plus 7 equals 79 linear or quadratic?
It is a quadratic equation that has 2 solutions
What is x2 plus 9x-3 equals 0?
It is a quadratic equation that can be solved by using the quadratic equation formula whereas x = -9.321825 or x = 0.321825 both given to 6 decimal places
