Sagot :
Answer:
B. - 15m²n
Step-by-step explanation:
(m-5)^3
= m^3 + (3) (m^2)(-5n) + (3) (m) (-5n)^2 + (-5n)^3
Second term = (3) (m^2)(-5n)
(3) (m^2)(-5n)
= - 15m^2 n
Answer:
B. - 15m²n
Step-by-step explanation:
(m-5)^3
= m^3 + (3) (m^2)(-5n) + (3) (m) (-5n)^2 + (-5n)^3
Second term = (3) (m^2)(-5n)
(3) (m^2)(-5n)
= - 15m^2 n