Question

I need help I’m very confused with this question

Answer 1

Explanation:

exact form:

x=+2\sqrt(3+2)

decimal form:

x=5.46410161

Answer 2

Option 1

Explanation:

=>
`x^2-4x+2 = 10`

Adding 2 to both sides to complete the square

=>
`x^2-4x+4 = 12`

Completing the square

=>
`(x-2)^2= 12`