Answer:
c
Step-by-step explanation:
all the factors are divisible by 5x^2, so you take it out of the equation 5x^2(x^2+2x+3). x^2+2x+3 is not factorable (add the multiples of a*c to get b, 3 and 1added together is 4 not 2 and -1 and -3 =-4 ≠2, no other multiples) so it's 5x^2(x^2+2x+3)
