Mister Exam

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Inequation:
21+7*x>0
(x^2)-9*x+20<0
2,5(2-x)-1,5(x-4)<=3-x
sqrt(5-x)<5
Canonical form:
=0
Identical expressions
sqrtx-sqrt(x+ four)>= zero
square root of x minus square root of (x plus 4) greater than or equal to 0
square root of x minus square root of (x plus four) greater than or equal to zero
√x-√(x+4)>=0
sqrtx-sqrtx+4>=0
sqrtx-sqrt(x+4)>=O
Similar expressions
sqrtx+sqrt(x+4)>=0
sqrtx-sqrt(x-4)>=0

sqrtx-sqrt(x+4)>=0 inequation

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  ___     _______     
\/ x  - \/ x + 4  >= 0

$$\sqrt{x} - \sqrt{x + 4} \geq 0$$

sqrt(x) - sqrt(x + 4) >= 0

Solving inequality on a graph

Rapid solution

This inequality has no solutions