Question

Solve the equation using square roots.

x^2-9=0


A. –3, 3

B. –9, 9

C.

D. no real number solutions

Answer 1

\(\Rightarrow (x + 3)( x- 3) = 0\)

Now use the zero-product rule. Do you know how to do so?

Answer 2

a

Answer 3

no. how you do that?

Answer 4

@pitachip Please don't answer directly, and welcome!

Answer 5

x^2-9 = 0
x^2 = 9
x = +3, -3
Hope this helps.

Answer 6

shut up

Answer 7

\(\Rightarrow ( x + 3)( x - 3) = 0 \Longrightarrow x + 3 = 0, x - 3 = 0\)

Answer 8

Solve both equations.

Answer 9

I figured it out. thanks