SOLUTION: - X sq + X + 1 = 0 What is X ?

SOLUTION: - X sq + X + 1 = 0 What is X ?

Algebra.Com

Question 704048: - X sq + X + 1 = 0
What is X ?
Answer by sachi(548) (Show Source): You can put this solution on YOUR website!
- X^2 + X + 1 = 0
or X^2 - X - 1 = 0
or 4X^2 -4 X -4 = 0 multiplying 4
or (2x)^2-2*2x*1+1-1-4=0
or (2x-1)^2=5
or 2x-1=+/-sqrt5
or x=(1+/-sqrt5)/2
ans
RELATED QUESTIONS
x sq + 8x =0 (answered by edjones)

HELP!!! Radicals!!!! what is 2 sq root x-1 + 2 sq root x+4= 5. Please explain... (answered by solver91311)

what is x when 16^x = 1/sq root of... (answered by stanbon)

what is the graph of x = -4(sq rt... (answered by Alan3354)

I'm haveing trouble completing this equation...using Q. F. x=-b+- sq. b^2-4ac/2a... (answered by ptaylor)

sq root(3x+1)=sq root(x+4) +... (answered by checkley71)

sq root 0f... (answered by Fombitz)

0 2pi: sin^2(x)-sq root of 3... (answered by lwsshak3)

Let f(x) = x2 - 20x + 100. Find x so that f(x) = 64 I am completely lost. This is what (answered by checkley77)