Question

9a/a^2-81 Write the rational expressions as equivalent rational expressions with the given LCD. LCD (a + 9)(a + 5)(a − 9)

Answer 1

`\frac{9a}{ {a}^(2) - 81 } = (9a)/((a + 9)(a - 9)) = (9a(a + 5))/((a + 9)(a + 5)(a - 9))`