Question

(2m-5) the whole cube ​

Answer 1

Answer:

(2m−5)^3

=(2m)^3−(5)^3−3(2m)2^(5)+3(2m)(5)^2

=8m^3−125−60m^2+150m

=8m^3−60m^2+150m−125

Step-by-step explanation:

Hope it will help you..

Answer 2

Answer:

(2m-5)³ [using Identity :- (a-b)³ = a³-3ab(a-b)-b³]

(2m)³-(5)³-3×2m×5(2m-5)

8m³-125-30m(2m-5)

8m³-125-60m²-150m

8m³-60m²-150m-125

hope it will help you!