Buenasuerteviz
Answered

what two numbers have a sum of 25 and a product of 136?

Sagot :

x + y = 25
xy = 136
   y = 25 - x
x (25 -x) = 136
25x - x^2 = 136
x^2 - 25x - 136
 then factor:
(x - 17) (x - 8) = 0
therefore:
x = 17
x = 8

checking;
x + y + 25
17 + 8 = 25

xy = 136
17(8) = 136