paigelandsman paigelandsman

28-01-2020
Mathematics

contestada

Find two numbers whose sum is 55 and whose product is 646

Respuesta :

texaschic101 texaschic101

28-01-2020

Answer:

17 and 38

Step-by-step explanation:

x + y = 55......x = 55 - y

x * y = 646

y(55 - y) = 646

55y - y^2 = 646

y^2 - 55y + 646 = 0

(y - 17)(y - 38) = 0

y - 17 = 0 y - 38 = 0

y = 17 y = 38

ur numbers are 17 and 38

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