x² = x = ±√7
x² = 1x = ±√11
x² + 6x = x(x + 6) = x = 0 or x = -6
x² + 5x = x(x + 5) = x = 0 or x = -5
x² = 8x² - 8x = x(x - 8) = x = 0 or x = 8
x² = 12x² - 12x = x(x - 12) = x = 0 or x = 12
Итак, решения для каждого уравнения:
x² =
x = ±√7
x² = 1
x = ±√11
x² + 6x =
x(x + 6) =
x = 0 or x = -6
x² + 5x =
x(x + 5) =
x = 0 or x = -5
x² = 8
x² - 8x =
x(x - 8) =
x = 0 or x = 8
x² = 12
x² - 12x =
x(x - 12) =
x = 0 or x = 12
Итак, решения для каждого уравнения:
x = ±√7x = ±√11x = 0, x = -6x = 0, x = -5x = 0, x = 8x = 0, x = 12