Ask Question
28 February, 22:50

Completely factor this quadratic expression: 4x2 + 12x - 72.

+2
Answers (2)
  1. 28 February, 23:05
    0
    4 (x-3) (x+6)

    Step-by-step explanation:

    Factor out the 4

    4 (x2 + 3x - 18)

    what 2 numbers add to 3 and multiply to - 18?

    -3 and 6

    therefore 4x2 + 12x - 72 = 4 (x-3) (x+6)
  2. 28 February, 23:10
    0
    (4x² + 24x) - (12x + 72)

    4x (x + 6) - 12 (x + 6)

    ans = (4x - 12) (x + 6)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Completely factor this quadratic expression: 4x2 + 12x - 72. ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers