Question

Factrorise the following using appropriate identities. 9x^(2)+6xy+y^(2)

Answer 1

Answer:

9x^(2)+6xy+y^(2)= (3x+y) ^2

Step-by-step explanation:

9x^(2)+6xy+y^(2)

= (3x)^2+2×(3x)(y)+(y)^2

= (3x+y) ^2

so 9x^(2)+6xy+y^(2)= (3x+y) ^2