Question

Find the product of (x + 3)(x − 3).

x2 − 6x + 9

x2 + 6x + 9

x2 + 9

x2 − 9

Answer 1

Any ideas?

Answer 2

\[\huge \bf (x+3)(x-3)\]
use \[\huge \bf (a-b)(a+b) ~identity\]
and this identity states that:-
\[\huge \bf (a-b)(a+b)=a^2-b^2\]
where a=3 and b=3

Answer 3

can you solve it? @supanick14

Answer 4

guide the asker to a solution

Answer 5

d is answer(a^2-b^2) hence (x^2-9)

Answer 6

guide the asker to a solution

Answer 7

@skullpatrol i am guiding.I am not answering directly.