Relax

Respuesta :

Answer: 8 3/4

Step-by-step explanation:

3x(4x-5+3); where x is 1/2

Substitute the value 1/2 with x

3 1/2 (4 1/2 - 5+3)

7/2 (9/2 -2)

7/2 (5/2)

35/4 = 8 3/4