Question

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

2- 7
x2 4x2 + 12x

A. x2(x + 3)
B. x2(x+3)
C. 4x2(x+3)
D. 4x3(x+3)

Answer 1

It is C

Explanation:

2^2*x^2*(x+3) simplifys to 4x^2(x+3)