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Find the value of 53^3 using the identity (x + y)^3 = x^3 + 3x^2y + 3xy^2 + y^3.

Hint: 533 = (50 + 3)^3; therefore, x = 50 and y = 3

 

i would like to understand why the answer is what it is? please I dont get this

 Feb 8, 2016
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DID YOU CHECK THE FIRST TIME YOU POSTED THE SAME QUESTION? LOOK TOWARDS THE BOTTOM OF THIS PAGE.

 Feb 8, 2016

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