x^2-36=0

(x+6)(x-6)=0, x=-6, x=6

There is a formula you need to know: (a+b)(a-b)=a^2-b^2

Secure Information

Content will be erased after question is completed.

Enter the email address associated with your account, and we will email you a link to reset your password.

Forgot your password?

Sign Up