Respuesta :

Answer:

135 is the correct answer

Step-by-step explanation:

6x^2-3x

substitution

x=5

6* (5*5) -3*5

6*25-3*5

150-15= 135

Answer:

Yes, it's 135.

Step-by-step explanation:

6(5^2)-3(5)

6(25)-15

150-15= 135.