Question

please answer
$x^{3} - 3x = - 1$
Find x

Answer 1

x³-3x+1=0
a=1
b=-3
c=1

Using quadratic formula
x=-b±√b²-4ac/2a
x=-(-3)±√(-3)²-4(1)(1)/2(1)
x=3±√9-4/2
x=3±√5/2

Now
x=3+√5/2
x=3+2.24/2
x=5.24/2
x=2.62

And

x=3-√5/2
x=3-2.24/2
x=0.76/2
x=0.38