Question

rationalize the denominator:
7/2+√x

Answer 1

Is 2+sqrt(x) all in the denominator?

Answer 2

yes :)

Answer 3

Multiply top and bottom by 2-sqrt(x) to get 14-7sqrt(x) in the numerator

and 4-x in the denominator


So the answer is \[\large \frac{14-7\sqrt{x}}{4-x}\]

Answer 4

Try multiplying by (2-sqrt(x))/(2-sqrt(x))