Respuesta :

Answer:

69

Step-by-step explanation:

We substitute x with 3:

7(3)²+2(3)=

7(9)+6=

63+6=

69

Answer:

69

Step-by-step explanation:

7(9) + 6

63 + 6

69

I put the lines around the 9 to keep the 7 ant 9 separated and i dont get confused!

Have an amazing day!

PLS MARK BRAINLIEST!