Question

15. Factorise: 8x^3 + 64yº​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

8x 3−27y 3 −36x 2y+54xy 2

=(2x) 3 −(3y) 3 −3×(2x) 2×3y+3×2x×(3y) 2

Using,(a−b) 3=a 3−b 3 −3a 2b+3ab 2

=(2x−3y) 3

=(2x−3y)(2x−3y)(2x−3y)