Respuesta :
Answer:
1d-15
Step-by-step explanation:
distribute the negative to 2d+3 since it is outside the parenthesis.
3d-12-2d-3
1d-15
If you have any additional questions feel free to comment and I'll help you :)
Answer:
d-15
Step-by-step explanation:
3d-12-2d-3=d-15
Note: you have to get rid of the negative sign by multiplying it with 2d and 3 and then add them.