Question
Simplify the rational expression to lowest terms.$$\frac{25-x^{2}}{x^{2}-10 x+25}$$
Step 1
The difference of squares is a special formula in algebra where a^2 - b^2 = (a - b)(a + b). So, we can rewrite the expression as follows: $$\frac{(5-x)(5+x)}{(x-5)^2}$$ Show more…
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