Question

2 X + 3 y whole cube​

Answer 1

Answer:

(a+b)=a cube +b cube +2ab (a+b)

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Answer 2

Answer:

(2x+3y)^3

= (2x^3)+(3y^3)+3×2x×3y (2x+3y)

= 8x^3+27y^3+18xy (2x+3y)

= 8x^3+27y^3+36x^2× y+54 ×x ×y^2

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