Question

Expond (2x
+ 3y +52)​

Answer 1

Answer:

The given expression (2x+3y)(2x−3y) can be expanded as shown below:

(2x+3y)(2x−3y)

=[(2x×2x)+(2x×−3y)+(3y×2x)+(3y×−3y)]

=4x

2

−6xy+6xy−9y

2

=4x

2

−9y

2

Hence (2x+3y)(2x−3y)=4x

2

−9y

2