Question

(x-7)^2 +3= (x-2) (x+2) решите уравнение

Answer 1

X^2 - 14X + 49 + 3 = X^2 - 4
- 14X + 52 = - 4
- 14X = - 4 - 52
- 14X = - 56
14X = 56
X = 56/14
X = 4