y = kx + 5 D(6 ; - 19)
- 19 = 6k + 5
6k = - 19 - 5
6k = - 24
k = - 4
<span>12*4^x-11=2^2x</span>
(x - 2/3)(x + 1) = x² + x - 2/3x - 2/3 = x² + 1/3x - 2/3
Ответ :
3x² + x - 2 = 0