Answer :

choixongdong
7/3+3(2/3−1/3)^2
= 7/3 + 3(1/3)^2
= 7/3 + 3(1/9)
= 7/3 +1/3
= 8/3
First work out whats in the parentheses

= 7/3 + 3(1/3)^2

= 7/3 + 3 * 1/9

= 7/3 + 1/3

= 8/3  answer

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