Question

X² - 16√x = 12 ise ; x-2√x kaçtır ?

Answer 1

Answer: The value of x-
`√(x)`= 2

Step-by-step explanation:
`x^(2)` - 16
`√(x)`

Let
`u= √(x)`, then

`u^(2) = x\\^u{4} =x^(2)`

substituting these into the original equation

`u^(4) -16u -12 =0`

This factor is easy as -

`(u^(2) -2u -2) (u^(2) +2u +6) =0`

`u^(2) -2u -2=0\\`