Question

Tolong yaa dibantu soal nya

Answer 1

2. 9x² - 25 = 0
   (3x + 5)(3x - 5)
    x = -5/3 √ x = 5/3
3. 2x² - 4x - 6 = 0
   (2x + 2)(x-3)
     x = -1 √ x = 3
karna x₁ > x₂
mka : x₁ = 3 dan x₂ =-1

jadii,, 3x₂ = 3.-1
              = -3