Question

Factorise : 4x² + y² - 4xy

Answer 1

Answer:

(y-2)^2

Step-by-step explanation:

y^2-4xy+4x^2

its in the form of a^2-2ab+b^2=(a-b)^2

so

=y^2-2.2xy+(2x)^2

=(y-2)^2

hope this will help you

Answer 2

Answer:

4x²+y²-4xy

(2x-y)²

Step-by-step explanation: