Question

Factorise: 8x³+27y³+36x²y+54xy²​

Answer 1

Step-by-step explanation:

${8}^{3} + 27 {y}^{3} + 36 {x}^{2} y + 54xy$

= ${(2x)}^{3} + {(3y)}^{3} + 18xy(2x + 3y)$

using identity $(a + b)^{3} = {a}^{3} + {b}^{3} + 3ab(a + b)$

= ${(2x + 3y)}^{3}$

= $(2x + 3y)(2x + 3y)(2x + 3y)$

Answer 2

Answer:

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