Question

Analyze the product: (2x-y)³-(x+y)³+(2y-x)³​

Answer 1

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Explanation:

then, and the first equation

u³ -u³+u³.(do not write it. just for fun)

(2x - y)³ --:

(2x)³ - 3×4x²b +3y²×2x -(y³)

(2x)³ - 3×4x²b +3y²×2x -(y³)8x³ - 12x²y + 6xy² -y³

(2x)³ - 3×4x²b +3y²×2x -(y³)8x³ - 12x²y + 6xy² -y³second equation,

-(x+y )whole cube

= (x-y)³

-(x³ + 3x²y +3y²x +y³)

TtHhEeNn 3rd equation,

(2y- x )² ::--

(2y)³ - 3×x²× 2y + 3 ×(2y²) × x -(x)³

= 8y³ -6x²y +12y²x - x³

then all the equation at onse:::---

=8x³ - 12x²y + 6xy² -y³-(x³ + 3x²y +3y²x +y³) + 8y³ -6x²y +12y²x - x³

= 8x³ - 12x²y + 6xy² -y³-x³ - 3x²y -3y²x -y³ + 8y³ -6x²y +12y²x - x³

= 8x³ -21x²y + 21y²x 2y³(this is the correct answer)

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Answer 2

Answer:

are u happy now.....gave u thanks..