Ask Question
23 July, 01:12

Factoring by completing the square: 3k^2+18k+15=0

+1
Answers (1)
  1. 23 July, 04:16
    0
    3k^2 + 18k + 15 = 0

    3k^2 + 18k = - 15

    k^2 + 6k = - 5

    k^2 + 6k + 9 = - 5 + 9

    (k + 3) ^2 = 4

    k + 3 = (+-) sqrt 4

    k = - 3 (+-) sqrt 4

    k = - 3 + 2 = - 1

    k = - 3 - 2 = - 5

    so k = - 1 and - 5
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Factoring by completing the square: 3k^2+18k+15=0 ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers