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Find the least common denominator of 8/x^2+8x-20 and -2/x^2+2x

User Sheinis
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1 Answer

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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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gathmath

User Matthew Wright
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