Mathematical Practices
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Write the algebraic expression modeled by the tiles and simplify it by combining like terms.
-x^2+x
Let's examine each of the given algebra tiles and what they represent.
We have one tile that represents x, and one tile whose value is -x^2. By adding these, we can create an algebraic expression modeled by the tiles. x+( -x^2) Finally, we will simplify the above expression. -x^2+ x