Factorise:
27x^3+125y^3+135x^2y +225xy2
Answers
Answered by
1
Answer:
(3x +5y)^3
Step-by-step explanation:
27x^3+125y^3+135x^2y +225xy2
= (3x)^3 + (5y)^3 + 3(3x)(5)[3x + 5y]
= (3x +5y)^3
Answered by
1
= 27 x^3 + 125y^3 + 135x^2y + 225xy^2
= (3x)^3 + (5y)^3 + 3( 3x)(5y) [ (3x+5y) ]
= (3x)^3 + (5y)^3 + 45xy ( 3x+5y)
= ( 3x+5y ) ^3
= (3x+5y) (3x+5y) (3x+5y)
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