The fluid ounce of vanilla is bigger.
If I understand this, you have the equation 6(2x+7)-5. This is equal to 12x+37. Hope this helps.
Louise wants to factorize completely the given polynomial 
Grouping first, second terms together and third, fourth terms together
= 
Taking
common from first and second terms of the given expression and taking 5 common from the third and fourth terms.
=
Taking (x+3) common from the given expression,
=
is the completely factored form.