Question

ПОМОГИТЕ, СРОЧНО!!! УМОЛЯЮ ​

Answer 1

3x² - 6x + x - 2 - x² - 2x + x + 2 - x² + 4 = 0

x² - 6x + 4 = 0

$D=(-6)^{2}-4*4=36-16=20=(2\sqrt{5})^{2}\\\\x_{1}=\frac{6-2\sqrt{5}}{2}=3-\sqrt{5}\\\\x_{2}=\frac{6+2\sqrt{5} }{2}=3+\sqrt{5}$