Ask Question
3 June, 06:56

Solve the equation. x2 + 8x - 9 = 0 A) x = 1 B) x = 9 C) x = 9 or x = - 1 D) x = - 9 or x = 1

+4
Answers (2)
  1. 3 June, 08:06
    0
    x=1 or x=-9

    Step-by-step explanation:

    x^2 + 8x - 9 = 0 (8x=9x-x)

    x^2 - x+9x-9=0

    x (x-1) + 9 (x-1) = 0

    (x-1) (x+9) = 0

    x-1=0 or x+9=0, then

    x=1 or x=-9
  2. 3 June, 09:26
    0
    Answer:D. X = - 9 or x = 1

    X2 + 8x - 9 = 0
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Solve the equation. x2 + 8x - 9 = 0 A) x = 1 B) x = 9 C) x = 9 or x = - 1 D) x = - 9 or x = 1 ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers