Ask Question
21 May, 08:29

Which expression is the factorization of x2 + 10x + 21?

(x + 3) (x + 7)

(x + 4) (x + 6)

(x + 6) (x + 15)

(x + 7) (x + 14)

+5
Answers (2)
  1. 21 May, 09:29
    0
    (x + 3) (x + 7) (x + 4) (x + 6) (x + 6) (x + 15) (x + 7) (x + 14)
  2. 21 May, 09:42
    0
    The answer is (x + 3) (x + 7). x^2 + 10x + 21 = x^2 + 3x + 7x + 21 = (x^2 + 3x) + (7x + 21) = (x * x + 3 * x) + (7 * x + 7 * 3) = x * (x + 3) + 7 * (x + 3) = (x + 3) * (x + 7) = (x + 3) (x + 7). Therefore, the factorization of x^2 + 10x + 21 is (x + 3) (x + 7).
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Which expression is the factorization of x2 + 10x + 21? (x + 3) (x + 7) (x + 4) (x + 6) (x + 6) (x + 15) (x + 7) (x + 14) ...” 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