Factor each expression using the grouping method.

\large 3x^2+12x+12

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false