Answer :

Its equal to 0 and don’t call yourself stupid
anup12222gupta

Answer:

[tex]2 \sqrt{7} - \sqrt{28} \\ = 2 \sqrt{7} - \sqrt{2 {}^{2} \times 7 } \\ = 2 \sqrt{7} - 2 \sqrt{7} \\ = 0[/tex]

So , the answer is 0...

second optionis the correct answer...

It is rational and equal to 0....

Hopes to get BRAINLIEST....

Thank you ☺️

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