What is the least common denominator of the rational expressions below?

asked Jun 9, 2021 99.3k views

2 votes

by Bouna

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3 votes

Answer:

3x^2 ( x+5)

Explanation:

1/x^2 + 1/( 3x^2 +15x)

Factor the denominators

x^2 = x*x

3x^2 +15x = 3 *x( x+5)

The common denominator is

x* 3x* (x+5)

3x^2 ( x+5)

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