Question

Which expression is equal to

Answer 1

answer: the second option
explanation: below

Answer 2

`\cfrac{\left(x+8\right)\left(x-8\right)}{x^2+13}`

Explanation:

`\cfrac{x+8}{x+2}\cdot \cfrac{\left(x+2\right)\left(x-8\right)}{x^2+13}`

`\cfrac{\left(x+8\right)\left(x+2\right)\left(x-8\right)}{\left(x+2\right)\left(x^2+13\right)}`

`\cfrac{\left(x+8\right)\left(x-8\right)}{x^2+13}`