What is the LCD of

Question

9x³ and 5x²+15x

Answer 1

LCD = Largest Common Denominator = x

9x^3= 3(x)(x)(x)(3)

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

x is the only common integer denominator other than 1,

assuming x is an integer

if not, go with 1 = LCD