Answer:
3x^2 - x - 10
Step-by-step explanation:
Times the two together and you get
3x^2 + (-6x) + 5x + (-10)
Sum these up for your answer
each pack is 1/2 pound
5.5 is 1/2 of 11
5.5/11=1/2
Isolate the variable by dividing each side by the factors that don't contain the variable
v=2