factorise 125x^3 - 64y^3
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Answer:
125x^3 - 64y^3
=(5x)^3 - (4y)^3
Answered by
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Answer:
( 5x -4y ) ( 25x ^2 + 20xy + 16 y^2 )
step by step explanations :-
125x^3 - 64y^3
= (5x ) ^3 - ( 4y ) ^3
= ( 5x -4y ) {( 5x )^2 + 5x . 4y + ( 4y ) ^2 }
=( 5x -4y ) ( 25x ^2 + 20xy + 16 y^2 )
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