$$x =$$

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Do you know how to use algebra tiles to tell if an expression can be factored?

Just see if you can rearrange all the tiles to form a complete rectangle!

Think about factors of algebraic expressions: for example, consider $$3\cdot (x + 1)$$, $$(2\cdot x + 1)^2$$ and even $$(2\cdot x - 1)^2$$.

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