Срочно надо (2x-1)^2=6-3(x-2)(x+2)

Question

Срочно надо
(2x-1)^2=6-3(x-2)(x+2)

Answer 1

(2x-1)^2=6-3(x-2)(x+2)

4x^2-4x+1=6-3x^2+12

7x^2-4x-17=0

D=16+476=492

x1=(4+√492)/14=(4+2√123)/14=(2+2√123)/7

x2=(2-2√123)/7