Question

( x - 4 )^2 = 4 x - 11

Answer 1

Ответ:

______

Ответ :

X1=3

X2=9

Answer 2

Ответ:

${x}^{2} - 8x + 16 - 4x + 11 = 0 \\ {x}^{2} - 12x + 27 = 0 \\ d = 144 - 108 = 36 = {6}^{2} \\ x = \frac{12 + 6}{2} = 9 \\ x = \frac{12 - 6}{2} = 3$