Question

Помогите !!! упростите x-49/√x-7

Answer 1

$frac{x-49}{ sqrt{x} -7} = frac{( sqrt{x} -7)( sqrt{x} +7)}{ sqrt{x} -7} = boxed{sqrt{x} +7}$

Answer 2

там (√x)-7

Answer 3

(x-49)/ (x^1/2-7)=( x^1/2 -7)× (x^1/2+7)/ (x^1/2-7)= x^1/2+7

Answer 4

там (√x)-7