Question

Решите уравнение x⁴= (x-12)²

Answer 1

x*x = x - 12
x*x - x + 12 =0
x*x - 4x + 3x + 12 = 0
x( x - 4 ) - 3( x - 4 ) = 0
( x - 3 )( x - 4 ) = 0
x = 3 ‚ 4