9m^2 - 49 = 0 tentukan akar akar dari persamaan kuadrat

9m² - 49 = 0
(3m + 7)(3m - 7) = 0
3m + 7 = 0
3m = -7
m = -7/3

3m - 7 = 0
3m = 7
m = 7/3

Quadratic Equation.

a² - b² = (a - b)(a + b)
9m² - 49 = 0
(3m - 7)(3m + 7) = 0
m = 7/3 or m = -7/3