document.write( "Question 1032577: The area of a rectangular serving tray is given by the trinomial 3x2+17x−56. The tray's width is 3x−7. What is the length of the tray? \n" ); document.write( "
Algebra.Com's Answer #647248 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! We can either long divide one by the other or merely factor \n" ); document.write( "3x^2 + 17x - 56 = (3x - 7)(x + 8) \n" ); document.write( "so that the length must be x + 8. \n" ); document.write( " |