(x - 3)(x - 7) = 21 July 8, 2019 16 32 64 128 X 3 )( x 7 )= 21 X 3 x 7 13 21 3 x 7 )= 3x 21 Решите уравнение x 3 )( x 7 )= 21 X 7 3x + 21 Log3 21 x )= log 3 x 7 )+ 2 3x 3 x 2 21x 7 3 x 7 x 2x 21 3 x 7 )=- 21 8x Solve for x 3/7 = x/21 5 x 7 = 35
