Pls help me with b asap and help me check if I did a correctly thx

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secondary 3 | A Maths
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secondary 3 A Maths Singapore

Pls help me with b asap and help me check if I did a correctly thx

Date Posted: 2 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

part a is wrong. -3-2 should give you -5.
for part b, you should simplify the surd first.

Date Posted: 2 years ago