Question

Factor x2 - 9 and x2+-9

Answer 1

First one;

Simplifying
x2 + -9

Reorder the terms:
-9 + x2

Factor a difference between two squares.
(3 + x)(-3 + x)

Final result:
(3 + x)(-3 + x)

Answer 2

Second one;

Simplifying
x2 + (-9)
x2 + -9

Reorder the terms:
-9 + x2

Factor a difference between two squares.
(3 + x)(-3 + x)

Final result:
(3 + x)(-3 + x)

Answer 3

k and the last one

Answer 4

thx dude needed the help

Answer 5

Your welcome :)