# Algebraic Expansion

**Question**

Expand each of the following algebraic expressions. Do remember to simplify it as well.

- 3(x-y)
- (2x)(2+x)
- (x+1)(x-1)
- -(x-1)
- (x-1)
^{2}

**Answer**

- 3x-3y
- 4x+2x
^{2} - x
^{2}-1 - 1-x
- x
^{2}-2x+1

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