85.3k views
3 votes
Solve for x by completing the square. Round ur answer to the nearest thousandth. X^2+6x-3=0

2 Answers

2 votes

Answer:

. X^2+6x-3=0

x²+6x+9-9-3=0

(x+3)²=12

x+3=√12

x=√12-3=0.46410161513

User Glyuck
by
7.6k points
2 votes

Answer:

  • x = {2.196, -8.196}

Explanation:

  • x² + 6x - 3 = 0
  • x² + 2*3*x + 3² - 3 = 3²
  • (x + 3)² = 12
  • x + 3 = ± √12
  • x + 3 = ± 2√3
  • x = 2.196, x = -8.196
User IanGSY
by
8.6k points

No related questions found

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

9.4m questions

12.2m answers

Categories