Answer:
x + 6
Step-by-step explanation:
divide the number of sweets by the number of children, that is
[tex]\frac{x^2+9x+18}{x+3}[/tex]
= [tex]\frac{(x+3)(x+6)}{x+3}[/tex] ← factor numerator
cancel the factor (x + 3) on the numerator/denominator
number of sweets = x + 6 per child