Question

1.Factorize (x + y)²– 4xy *

Answer 1

Answer:

${(x - y)}^{2}$

Step-by-step explanation:

${(x + y)}^{2} - 4xy \\ {x}^{2} + {y}^{2} + 2xy - 4xy \\ {x}^{2} + {y}^{2} - 2xy \\ {(x - y)}^{2}$

Answer 2

Step-by-step explanation:

(x+y)² - 4xy

x² + y² + 2xy - 4xy

x² + y² - 2xy

(x-y)²