Math, asked by adiraw2580, 9 months ago

Expand:
(x-3y/5)^3
Please answer it fast

Answers

Answered by Ritaprabha
1

It is quite easy and goes like this

Step-by-step explanation:

(x-3y)³/5³

= {x³ -(3y)³ -3*x*3y(x-3y)} / 125 (since 5³=125)

= {x³ - 27y³ -9xy(x-3y)}/ 125

= (x³ - 27y³ -9x²y + 27xy²)/ 125

Therefore the answer is (x³ - 27y³ -9x²y + 27xy²)/ 125

Similar questions