Mathematical Practices
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Write the algebraic expression modeled by the tiles and simplify it by combining like terms.
x^2+x-1
Let's examine each of the given algebra tiles and what they represent.
We have one tile that represents x, one tile that represents x^2, and one tile whose value is -1. By adding these, we can create an algebraic expression modeled by the tiles. x+ x^2+( -1) Finally, we will simplify the above expression. x^2+ x - 1