1. 2x² - 18 = 0 2. x² + 3x = 0
Matematika
sherlymarsela
Pertanyaan
1. 2x² - 18 = 0
2. x² + 3x = 0
2. x² + 3x = 0
2 Jawaban
-
1. Jawaban virgeenanuvi
1)
2x² - 18 = 0
2(x² - 9) = 0
2(x + 3)(x - 3) = 0
2)
x² + 3x = 0
x(x + 3) = 0 -
2. Jawaban HilmyAzizirrahim
1. 2x² - 18 = 0
2(x² - 9) = 0
2((x + 3)(x-3)) = 0
(x + 3)(x - 3) = 0
x1 = -3 / x2 = 3
2. x² + 3x = 0
x(x + 3) = 0
x1 = 0 / x2 = -3