Question

the product of bilals age five years ago and 8 years later is198 find their present ages​

Answer 1

let present age of bilals be x

age of bilals five years ago=x-5

age of bilals eight years later=x+8

ATQ,

(x-5)(x+8)=198

x²+8x-5x-40=198

x²+3x-40-198=0

x²+3x-238=0

x²+17x-14x-238=0

x(x+17)-14(x+17)=0

(x-14)(x+17)=0

x=14

x=-17, rejected as x is age and age cannot be negative

therefore present age of bilals=14 years

Answer 2

Answer:

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