Marta’s math textbook weighs Four-fifths of a pound less than 4 times the weight of the book she is reading for her language art
s class. If the weight of the math textbook is 2 and one-fifth pounds, which shows the correct equation and value of x, the weight of Marta’s book for language arts?
If we FOIL those two terms [x*x = x2; x*-7 = -7x; x*-5 = -5x; -5*-7 = 35] and combine the like terms, we're left with one of many quadratic function Answer x2-12x+35
