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I need a step by step break down on 3 questions
If the Data set of Mangos are: 1,1,2,3,5,5,6,3,2,2,1,0

1. E (x^2 -x)
2. E(x +3)

3 E ( x- x)^2 this question the second x has a bar line above it

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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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