Respuesta :

Answer:

3x^2 +14x-5

Step-by-step explanation:

(3x-1)(x+5)

We need to FOIL

first  3x*x =3x^2

outer  3x*5 = 15x

inner  -1*x = -x

last  -1*5 =-5

Add it together

3x^2 +15x-x-5

Combine like terms

3x^2 +14x-5