Respuesta :

ujoy64

Answer:

4x^2 - 17x - 15

Step-by-step explanation:

Do 4x * x = 4x^2

4x * - 5 = - 20x

3 * x = 3x

3 * - 5 = - 15

You get 4x^2 - 20x + 3x - 15

Simoly and you get the answer

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