Question

tell a number whose sum is -15 and product is -96​

Answer 1

Answer:

Let the numbers be “x” and “y”

According to question,

x + y = 20 (equation 1)

And xy = 96

x = 96/y (equation 2)

From equation 1 and 2,

96/y + y = 20

96 + y² = 20y

y² - 20y + 96 = 0

y² - 8y - 12y + 96 = 0

(y - 8)(y - 12) = 0

y = 8, 12

Therefore, x = 12 at y = 8 and x= 8 at y = 12

Therefore, sum of their squares will be

x² + y² = 12² + 8² = 208

Or 8² + 12² = 208

Step-by-step explanation:

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Answer 2

Answer:

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