Use the short computational formula ( a + b ) 3

Use the short computational formula ( a + b ) 3 if a = 2 and b = 5.

Fill in here

Fill in the blank boxes using the following short computational formulas so that it corresponds a box to each term .

The purpose of this exercise is to learn about short computational formulas and the results are not important.

Exemple !

( a + b ) 3 = a 3 + 2a2 b + 2ab 2 + b 3

( a - b ) 3 = a 3 - 2a2 b + 2ab 2 - b 3

a 3 + b 3 = ( a + b )( a 2 - ab + b 2 )

a 3 - b 3 = ( a - b )( a 2 + ab + b 2 )

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