Jane and Jill were simplifying the expression
(2x² + x) + 21-x² + x) and obtained different an...
![subject](/tpl/images/cats/mat.png)
Mathematics, 08.04.2020 21:21 mattwe4567893987654
Jane and Jill were simplifying the expression
(2x² + x) + 21-x² + x) and obtained different answers. Who is
correct and why?
![ansver](/tpl/images/cats/User.png)
Answers: 3
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