Решите уравнение (х-5)^2=(х+11)^2

Question

Решите уравнение (х-5)^2=(х+11)^2

Answer 1

(х-5)^2=(х+11)^2
х2-10х + 25 = х2+22х+121
х2-х2-10х-22х = 121-25
-32х = 96
х = -3