At Westonci.ca, we connect you with the best answers from a community of experienced and knowledgeable individuals. Explore our Q&A platform to find in-depth answers from a wide range of experts in different fields. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

Multiply and simplify
(x-3y) (x + 3y)


Sagot :

[tex](x-3y) (x + 3y)=x^2-9y^2\\\\ (a-b)(a+b)=a^2-b^2[/tex]
[tex](x-3y)(x+3y) \\ =x^2+3xy-3xy-9y^2 \\ =x^2-9y^2[/tex]