Question

(x+y) (x-y) please answer me​

Answer 1

Answer:

x²-y²

Step-by-step explanation:

it is standard formula

Answer 2

Answer:

(x + y) (x - y) = x² - y²

Step-by-step explanation:

(x + y) (x - y)

= x(x - y) + y(x - y)

= x² - xy + xy - y²

= x² - y²

Some more algebraic identities:

• (a + b)² = a² + b² + 2ab
• (a - b)² = a² + b² - 2ab
• (a + b) (a - b) = a² - b²

Thanks !