D-C-D-A-D-C-C-C-A-A

\(\Rightarrow8\sqrt{x+1}-5\sqrt{x+1}+2\sqrt{x+1}=20\)

=> \(5\sqrt{x+1}=20\)

=> x+1=16

=> x=16-1

=.x=15 (thoa man)

I'm working tomorrow morning

I'm not doing anything tomorrow evening

I'm playing basketball next Sunday

I'm going to a party this evening

C

A

C

D

D

A

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B

A

B

A

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D

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B

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B

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D

D

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B