Question

+) 8x3 - 27y3 - 36x”y + 54xy2​

Answer 1

Step-by-step explanation:

$8x {}^{3} - 27y {}^{3} - 36x {}^{2}y + 54xy {}^{2} \\ = (2x) {}^{3} - 3 \times (2x) {}^{2} \times 3y + 3 \times 2x \times (3y) {}^{2} - (3y) {}^{3} \\ = (2x - 3y) {}^{3} \\ = (2x - 3y)(2x - 3y)(2x - 3y)$

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