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11-01-2022
Mathematics

contestada

Two numbers differ by 3. Their product
is 28. Find the numbers.

Respuesta :

11-01-2022

Answer:

Two solutions (-4,-7) and (4,7)

Step-by-step explanation:

x = y + 3

x*y = 28

(y+3)*y=28

y^2+3y-28=0

(y+7)(y-4)=0

y=-7, y=4

x=-4, x=7

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