Question

решите уравнения: 2x^2-14=0

Answer 1

2x²-14=0

x²=7

x1 = √7

x2 = -√7

Answer 2

 2x^2-14=0

2(х² - 7) = 0

х² - 7 = 0

х² = 7

х₁ = √7

x₂ = -√7