We have, (2m 5)^3 =8m^3 125 3× 2m× 5(2m 5) =8m^3 125 30m(2m 5) =8m^3 125 60m^2+150m Hence, this is the answer. ...

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Long Division Method to Divide Two Polynomials

Solve : 2m -...

Question

Solve :
$(2 m - 5)^{3}$

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Solution

We have,
$(2 m - 5)^{3}$
$= 8 m^{3} - 125 - 3 \times 2 m \times 5 (2 m - 5)$
$= 8 m^{3} - 125 - 30 m (2 m - 5)$
$= 8 m^{3} - 125 - 60 m^{2} + 150 m$

Hence, this is the answer.

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