factorise 125x^3 - 64y^3
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Step-by-step explanation:
Explanation:
125x3−64y3=(5x)3−(4y)3
=(5x−4y)(5x)2+(5x)(4y)+(4y)2
=(5x−4y)(25x2+20xy+16y2)
Answered by
2
use of identity
(x3-y3) =(x-y) (x2+y2+xy)
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