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04-02-2024
Mathematics

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The sum of the ages of two friends ia 15 years Two years ago, the product of their ages in years was 30 write the suitable quadratic equation to solve the problem ?

Respuesta :

04-02-2024

Answer:

see below

Step-by-step explanation:

2 years ago: so

a-2+b-2 = 15 ⇒ a+b =19 ⇒ a=19-b

(a-2)(b-2) = 30 ⇒ ab-2a-2b =26

2 variables, 2 equations. solvable.

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