Mathematical Practices
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Write the algebraic expression modeled by the tiles and simplify it by combining like terms.
2x^2
Let's examine each of the given algebra tiles and what they represent.
We have two tiles that represent x^2. By adding these, we can create an algebraic expression modeled by the tiles. x^2+ x^2 Finally, we will combine like terms to simplify the above expression. 2 x^2