Respuesta :

Answer:

60

Step-by-step explanation:

Use PEMDAS (parentheses, exponent, multiply, divide, addition, subtraction)

First, substitute 5 for x:

3(3(5) + 5)

Multipliy inside the parentheses:

3(15 + 5)

Add inside the parentheses:

3(20)

Multiply:

60

There's your answer! Hope I helped.

i got 60. multiply 3 and x which x in this case is 5 which gets you 15 then add 15 and 5 which is 20 then multiply 20 and 3 which is 60