# Factoring using Difference of Two Squares

## Practice Problems

**Direction: **Factor out each binomial completely.

Work it out on paper first thenÂ click “**Answer**” to compare your solution.

1) *x*^{2} âˆ’ 100

2) **25 x^{2}Â – 1**

3) **4 x^{2}Â –Â 9y^{2}**

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4) **16 x^{4Â }âˆ’Â y^{4}**

5) **(2 xÂ âˆ’ 1)^{2Â }âˆ’Â 49**

6) **4 x^{2Â }y^{4Â }âˆ’ 36x^{4Â }y^{2}**

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