Question

(x+3)(x-3)sum and difference

Answer 1

Answer:

Sum= 2x

Difference= 6

Step-by-step explanation:

Sum- (x+3)+(x-3)

=x+3+x-3

here 3-3=0

=2x

Difference- (x+3)-(x-3)

= x+3-x+3

here x-x=0

=3+3

=6

hope it helps

Answer 2

. If 15x+12y = 9 and 12x + 15y = 6 then x -y