Answer:
x(x + 2)(x - 2)(x + 10)
Explanation:
factor the bottom part of the fractions
factoring (x² + 8x - 20) becomes (x - 2)(x + 10)
factoring (x² + 2x) becomes x(x + 2)
least common denominator means multiplying the factors together
x(x + 2)(x - 2)(x + 10)
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