Question

$(a + b) (a - b)$
(2+3)(2-3)​

Answer 1

Answer:

Identity : (a+b) (a-b) = a^2-b^2.

a = 2 and b = 3.

= 2^2 - 3^2

= 4 - 9

= -5 is the answer.

Hope it helps you

Answer 2

Answer:

$( a+ b)( a- b) = ({a}^{2} - {b}^{2} ) \\ \\ (2 + 3)(2 - 3) \\ \\ ( {2}^{2} - {3}^{2} ) \\ \\ = 4 - 9 \\ \\ = - 5$