Решите уравнение 4х^2 + 10 + 20х - (4х^2 - 4х - 3) =4

Question

Решите уравнение 4х^2 + 10 + 20х - (4х^2 - 4х - 3) =4

Answer 1

4x^2 + 20x + 10 - 4x^2 + 4x + 3 - 4 = 0
4x^2 + 20x + 10 - 4x^2 + 4x - 1 = 0
20x + 4x + 10 - 1 = 0
24x + 9 = 0
24x = - 9
x = - 0,375