Question

2x + 1/2x whole number​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

(2x-1/3x)^3 = (a-b)^3

= a^3-b^3-3ab(a+b)

= (2x)^3 - (1/3x)^3 - 3 × 2x × 1/3x. (2x - 1/3x)

= 8x^3 - 1/27x^3 -2x^2(6x-x/3)

= 8x^3 - 1/27x^3 - 2x^2 × 5x/3

= 8x^3 - 1/27x^3 - 10x^3/3

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