Respuesta :
Answer:
−36m2−20m
Step-by-step explanation:
Multiply yy by yy by adding the exponents.
−4⋅9m2−20m-4⋅9m2-20m
Multiply −4-4 by 99.
−36m2−20m
Answer:
−36m2−20m
Step-by-step explanation:
Multiply yy by yy by adding the exponents.
−4⋅9m2−20m-4⋅9m2-20m
Multiply −4-4 by 99.
−36m2−20m