Question

answer the above question

Answer 1

hey..

it is not possible to find their ages

Answer 2

Answer: it's not possible

Step-by-step explanation:

Let age of 1st friend = x

2nd friend = y

Then given:-

1) x + y = 20 ---- 1

2) 4 years ago

Age of 1st friend = x - 4

2nd friend = y - 4

=> (x - 4)(y-4) = 48 ---- 2

In equation 1

=> x + y = 20

x = 20 - y

Substituting this in the second equation,

(20 - y - 4)(y - 4) = 48

(16 - y)(y - 4) = 48

y^2 - 20y + 112 = 0

This quadriatic equation cannot be solved as the roots are imaginary, hence this situation is not possible.

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