Factorise: 8x ^ 3 + 27y ^ 3 + 36x ^ 2 + 54x * y ^ 2 pls ans fast
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Step-by-step explanation:
8x ³−27y ³ −36x ² y+54xy ²
=(2x) ³−(3y) ³ −3×(2x) ²×3y+3×2x×(3y) ²
Using,(a−b) ³=a ³ −b ³ −3a ² b+3ab²
=(2x−3y) 3
=(2x−3y)(2x−3y)(2x−3y)
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