A(b+c) = ab+ac
just essentially expanding
Step-by-step explanation:
5 is the answer
..................
For ax<span>²+bx+c=0
x=

so
12x</span><span>²-17x+6=0
a=12
b=-17
c=6
</span>
<span>x=

</span><span>x=

</span><span>x=

</span>x=

x=

or

x=

or

x=9/16 or 1/2
Answer:
120960
Step-by-step explanation:
Given that a librarian has a set of ten different books, including four different books about Abraham Lincoln.
The librarian wants to put the ten books on a shelf with the four Lincoln books next to each other, somewhere on the shelf among the other six different books.
First arrnage the 6 other books in the shelf.
This can be done in 
Now arrange the 4 books of Lincoln
This can be done in 
Now we have 7 places to insert Lincoln books including two corners and in between.
Thus this can be done in 7 ways
Total no of ways = 
2340x0.18= 421.20
She paid $421.20 in property taxes