Question

two numbers has a product of 56 and their sum is -15. what is the number?

Answer 1

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❊Let the 2 nos. be x and y

Given:

✅ x+y = -15

✅ xy = 56

Now.... y = 56/x

So,

➜x + 56/x= -15

➜x^2 + 56 + 15x = 0

➜x^2 + 7x + 8x +56 = 0

➜x(x+7) +8(x+7) = 0

➜(x+7) (x+8) = 0

➜ x= -7 or x= -8

$\huge\mathfrak\red{Hope\: It \: helps\: you }$

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