Answer:
The least common denominator is factored form is,
(g - 3)(g + 5)
Explanation:
To find the least common denominator,
we have to factor g^2 + 2g - 15
g + 5 is already factored
now,
g^2 + 2g - 15 is factored as,
g^2 +5g - 3g - 15
g(g + 5) - 3(g + 5)
(g - 3)(g + 5)
So,
g^2 + 2g - 15 = (g - 3)(g + 5)
Since g + 5 is common to both denominators,
The least common denominator is factored form is,
(g - 3)(g + 5)