Factorise: (125 x^4 - 64y^3x)
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Answer:
This is the difference of two cubes,
ie X3−Y3=(X−Y)(X2+XY+Y2)(Learn This)
Explanation:
125x3−64y3=(5x)3−(4y)3
=(5x−4y)((5x)2+(5x)(4y)+(4y)2)
=(5x−4y)(25x2+20xy+16y2)
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