So I skipped over this question after 10 minutes of frustration. Help would be really appreciated =). Factor: X^2 - 20 thanks.
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Originally Posted by 4kVoX So I skipped over this question after 10 minutes of frustration. Help would be really appreciated =). Factor: X^2 - 20 thanks. Two things: 1. $\displaystyle x^2 - 20 = x^2 - (\sqrt{20})^2$. 2. $\displaystyle A^2 - B^2 = (A - B)(A + B)$.
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