Mathematics

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


Answers

yassautumn

4 years ago Comment

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

Banaszek168

4 years ago Comment

Best answer

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