Respuesta :
Answer:
3x+9
Step-by-step explanation:
since p(x) means p multiplied by x and the answer is 3x it means p=3 so 3(x+3) you multiply 3 by x which is 3x and 3 times 3 which is 9 so 3x+9
Answer:
3x+9
Step-by-step explanation:
since p(x) means p multiplied by x and the answer is 3x it means p=3 so 3(x+3) you multiply 3 by x which is 3x and 3 times 3 which is 9 so 3x+9