Using Identity: (a3 - b3 ) = ( a - b ) ( a2 + ab + b2 ) ( 27 a3 - b3 ) = [ ( 3a) 3 - b3 ] = ( 3a - b ) ( 9a2 + 3ab +b2 )

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Parviz F. answered • 05/06/14

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Using Identity:

(a³ - b³) = ( a - b ) ( a² + ab + b² )

( 27 a³ - b³) = [ ( 3a) ³ - b³] = ( 3a - b ) ( 9a² + 3ab +b²)

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Factor and solve

1 Expert Answer

Still looking for help? Get the right answer, fast.

OR

RELATED TOPICS

RELATED QUESTIONS

graph, find x and y intercepts and test for symmetry x=y^3

-2x/x+6+5=-x/x+6

Find the mean and standard deviation for the random variable x given the following distribution

using interval notation to show intervals of increasing and decreasing and postive and negative

trouble spots for the domain may occur where the denominator is ? or where the expression under a square root symbol is negative

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