Question

Help with math question please
thanks so much

Answer 1

`x=1 √(5)`

`x=3.23606797,-1.23606797`
Hope my answer helped!

Answer 2

`\frac{-b(+/-) \sqrt{b^(2) + 4ac}}{2a}`

where ax^2+bx+c=0

a=1
b=-2
c=-4

Just plug in.

x=1+√5
x=1-√