SOLUTION: Solve for x x^2-x+4=0

Algebra.Com
Question 163020: Solve for x
x^2-x+4=0

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given equation.


Notice we have a quadratic equation in the form of where , , and


Let's use the quadratic formula to solve for x


Start with the quadratic formula


Plug in , , and


Negate to get .


Square to get .


Multiply to get


Subtract from to get


Multiply and to get .


Simplify the square root (note: If you need help with simplifying square roots, check out this solver)


or Break up the expression.


So the answers are or


which approximate to or

RELATED QUESTIONS

{{{16^x - 4^x - 2=0}}} solve for... (answered by MathTherapy)
Solve sin^2 x + sin x + 4 = 0 for x. (answered by Shin123,math_tutor2020)
Solve for x for 4 points:... (answered by harpazo)
solve 4 sin^2 x =2 for 0 <= x <=... (answered by lwsshak3)
solve for x. x^2 + 12x + 4 =... (answered by jim_thompson5910)
solve for x... (answered by oberobic)
Solve for x:  x^2 + 7x + 4 =... (answered by stanbon)
solve for x... (answered by JBarnum)
x^2+18x-4=0 solve for... (answered by mananth)