Posted by deborah on Tuesday, January 23, 2007 at 3:25pm.
The area of a rectangle is found by multiplying the length by the width: A=lw. A certain rectangle has an area os x^2+7x +12. Factor the trinomial to find the length ad width of the rectagle.
Please read at this site:
http://www.themathpage.com/alg/factoringtrinomials.htm
Then see if the below makes sense.
(x+3) (x+4)

Algebra word problems  Delaney, Thursday, October 14, 2010 at 3:42pm
Three girls paid $100 each, a total of $300, to share a Motel Room. Later, the desk clerk realizing she should have only charged $250, gives the Room Attendant $50 and asks him to return it to the three girls. Unable to divide the money three ways, he decides to give $10 to each girl and pockets the remaining $20. The girls have now paid $90 each or $270 for the room, and the room attendant has $20. What happened to the other $10?

Algebra word problems  I have the $10, Monday, June 4, 2012 at 3:52pm
There is no other $10. The total was $300, the girls got back $10 each, meaning they paid $270 for the room, and the other guy took the last $20, will adds up to the entire $50 refund. The original $300 is all accounted for. $250 is in the cash register. $30 is with the 3 girls, and $20 is with the clerk.
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