Problema Solution
a student opens a math book to two facing pages. the product of the page numbers is 156. find the page numbers
Answer provided by our tutors
the product of the page numbers is 156
x ( x + 1 ) = 156
x^2 +x -156 = 0
x^2 +13x - 12x -156 = 0
x = 12 , -13
x= 12 is answer