When solving an equation, Carmen's first step is shown below. Which property justifies Carmen's first step?

A) division property of equality
B) associative property of addition
C) multiplication property of equality
D) commutative property of addition

b or 2, just plug these equations into your graphing calculator then check the graph to see the image. if it matches up then that's your answer!

it is probably the graph on the bottom right.

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb