Question

Select whether the equation has a solution or not.


`√(4x + 5) - √(x - 1) = √(x + 4)`
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Answer 1

5 is solution

Explanation:

hello,

I am not sure what is expected for this kind of question.

we can notice that 5 is a solution as

`√(4*5+5)-√(5-1)=√(25)-√(4)=5-2=3\\and\\√(5+4)=√(9)=3`

hope this helps