Question

9. (3v+h) (h-3v) = ________
A. 3y^2-h^2
B. h^2-9y^2
C. 9v^2-h^2
D. h^2-3y^2​

Answer 1

Answer:

=3v(h-3v)+h(h-3v)

=3vh-9v^2+h^2-3vh

=h^2-9v^2

=h^2-(3v)^2

Hope this helped...