Buenasuerteid
Buenasuerteid
Math
Answered
what two numbers have a sum of 25 and a product of 136?
Sagot :
Imahinasyonid
Imahinasyonid
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
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