Question

Factorise . 8x3 + 27y3+3x2y+54xy2​

Answer 1

Answer:

8x3−27y3−36x2y+54xy2

=(2x)3−(3y)3−3×(2x)2×3y+3×2x×(3y)2

Using,(a−b)3=a3−b3−3a2b+3ab2

=(2x−3y)3

=(2x−3y)(2x−3y)(2x−3y)

Step-by-step explanation:

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