What two numbers multiply to get 315 and add to get 52?

Answer 1

1) x*y=315

2) x+y=52

from 2, x=52-y, put into 1, y*(52-y) = 315 or y^2-52*y+315=0

delta= (-52)^2-4*1*315=1444 = 38^2

y = (52-38)/2 = 7 or y = (52+38)/2 = 45

then x = 45 or x = 45