217k views
0 votes
What are the solution(s) of x^2-4=20?

User Fbuchinger
by
7.8k points

1 Answer

4 votes


x^2-4=20\qquad|+4\\\\x^2=24\to x=\pm√(24)\\\\x=-√(4\cdot6)\ \vee\ x=√(4\cdot6)\\\\x=-2\sqrt6\ \vee\ x=2\sqrt6

User Denis Evseev
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.